J. Bousquet, . Khaltaev, and A. Cruz, Global surveillance, prevention and control of Chronic Respiratory Diseases: A comprehensive approach. Switzerland: World Health Organization, 2007.

P. Burney, C. Chinn, C. Luczynska, D. Jarvis, P. Vermeire et al., Variations in the prevalence of respiratory symptoms, selfreported asthma attacks, and use of asthma medication in the European Community Respiratory Health Survey (ECRHS)

J. Bousquet, P. Burney, T. Zuberbier, P. Cauwenberge, C. Akdis et al., (Global Allergy and Asthma European Network) addresses the allergy and asthma, Allergy, vol.64, pp.2-969, 2009.

K. Van-wonderen, . Van-der, L. Mark, J. Mohrs, P. Bindels et al., Different definitions in childhood asthma: how dependable is the dependent variable?, European Respiratory Journal, vol.36, issue.1, pp.48-56, 2010.
DOI : 10.1183/09031936.00154409

J. Pekkanen and N. Pearce, Defining asthma in epidemiological studies, European Respiratory Journal, vol.14, issue.4, pp.951-957, 1999.
DOI : 10.1034/j.1399-3003.1999.14d37.x

J. Pekkanen, J. Sunyer, J. Anto, and P. Burney, Operational definitions of asthma in studies on its aetiology, European Respiratory Journal, vol.26, issue.1, pp.28-35, 2005.
DOI : 10.1183/09031936.05.00120104

K. Toren, J. Brisman, and B. Jarvholm, Asthma and asthma-like symptoms in adults assessed by questionnaires. A literature review Chest, pp.600-608, 1993.

A. Sa-sousa, M. Morais-almeida, L. Azevedo, R. Carvalho, J. T. Todo-bom et al., Prevalence of asthma in Portugal - The Portuguese National Asthma Survey, Clinical and Translational Allergy, vol.2, issue.1, pp.15-15, 2012.
DOI : 10.1111/j.1398-9995.2007.01307.x

E. Von-elm, D. Altman, M. Egger, S. Pocock, P. Gotzsche et al., The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement, Epidemiology, vol.18, issue.6, pp.344-349, 2008.
DOI : 10.1097/EDE.0b013e3181577654

P. Gergen, S. Arbes, A. Calatroni, H. Mitchell, and D. Zeldin, Total IgE and Asthma Prevalence in the U.S. Population: Results from the National Health and Nutrition Examination Survey (NHANES), J Allergy Clin Immunol, vol.124, pp.2005-2006447, 2009.

M. Burr, B. Butland, S. King, and E. Vaughan-williams, Changes in asthma prevalence: two surveys 15 years apart., Archives of Disease in Childhood, vol.64, issue.10, pp.1452-1456, 1989.
DOI : 10.1136/adc.64.10.1452

Y. Fukutomi, H. Nakamura, F. Kobayashi, M. Taniguchi, S. Konno et al., Nationwide Cross-Sectional Population-Based Study on the Prevalences of Asthma and Asthma Symptoms among Japanese Adults, Nationwide Cross-Sectional Population-Based Study on the Prevalences of Asthma and Asthma Symptoms among Japanese Adults, pp.280-287, 2010.
DOI : 10.1159/000314369

M. Weitzman, S. Gortmaker, A. Sobol, and J. Perrin, Recent Trends in the Prevalence and Severity of Childhood Asthma, JAMA: The Journal of the American Medical Association, vol.268, issue.19, pp.2673-2677, 1992.
DOI : 10.1001/jama.1992.03490190073034

E. Crain, K. Weiss, P. Bijur, M. Hersh, L. Westbrook et al., An estimate of the prevalence of asthma and wheezing among inner-city children, Pediatrics, vol.94, pp.356-362, 1994.

S. Dell, R. Foty, N. Gilbert, M. Jerret, T. To et al., Asthma and Allergic Disease Prevalence in a Diverse Sample of Toronto School Children: Results from the Toronto Child Health Evaluation Questionnaire (T-CHEQ) Study, Canadian Respiratory Journal, vol.17, issue.1, pp.1-6, 2010.
DOI : 10.1155/2010/913123

C. Chittleborough, A. Taylor, D. Grande, E. Gill, T. Grant et al., Gender differences in asthma prevalence: Variations with socioeconomic disadvantage, Respirology, vol.29, issue.1, pp.107-114, 2010.
DOI : 10.1111/j.1440-1843.2009.01638.x

A. Ekici, M. Ekici, P. Kocyigit, and A. Karlidag, Prevalence of Self-Reported Asthma in Urban and Rural Areas of Turkey, Journal of Asthma, vol.311, issue.10, pp.522-526, 2012.
DOI : 10.1164/ajrccm/139.6.1459

K. Broms, D. Norback, M. Eriksson, C. Sundelin, and K. Svardsudd, Prevalence and co-occurrence of parentally reported possible asthma and allergic manifestations in pre-school children, BMC Public Health, vol.87, issue.6, p.764, 2013.
DOI : 10.1136/adc.87.6.478

J. Kwon, B. Kim, Y. Song, J. Seo, T. Kim et al., Changes in the Prevalence of Childhood Asthma in Seoul from 1995 to 2008 and Its Risk Factors, Allergy, Asthma and Immunology Research, vol.3, issue.1, pp.27-33, 2011.
DOI : 10.4168/aair.2011.3.1.27

R. Clifford, M. Radford, J. Howell, and S. Holgate, Prevalence of respiratory symptoms among 7 and 11 year old schoolchildren and association with asthma., Archives of Disease in Childhood, vol.64, issue.8, pp.1118-1125, 1989.
DOI : 10.1136/adc.64.8.1118

M. Haby, J. Peat, G. Marks, A. Woolcock, and S. Leeder, Asthma in preschool children: prevalence and risk factors, Thorax, vol.56, issue.8, pp.589-595, 2001.
DOI : 10.1136/thorax.56.8.589

L. Ekerljung, A. Andersson, B. Sundblad, E. Ronmark, K. Larsson et al., Has the increase in the prevalence of asthma and respiratory symptoms reached a plateau in Stockholm, Sweden?, Int J Tuberc Lung Dis, vol.14, pp.764-771, 2010.

A. Arif, G. Delclos, E. Lee, S. Tortolero, and L. Whitehead, Prevalence and risk factors of asthma and wheezing among US adults: an analysis of the NHANES III data, European Respiratory Journal, vol.21, issue.5, pp.827-833, 2003.
DOI : 10.1183/09031936.03.00054103a

A. Barry, D. Mannino, C. Hopenhayn, and H. Bush, Exposure to Indoor Biomass Fuel Pollutants and Asthma Prevalence in Southeastern Kentucky: Results From the Burden of Lung Disease (BOLD) Study, Journal of Asthma, vol.1140, issue.1, pp.735-741, 2010.
DOI : 10.1093/aje/kwf127

E. Oraka, M. King, and D. Callahan, Asthma and Serious Psychological Distress, Chest, vol.137, issue.3, pp.609-616, 2001.
DOI : 10.1378/chest.09-1777

E. Oraka, H. Elizabeth, M. King, and D. Callahan, Asthma Prevalence among US Elderly by Age Groups: Age Still Matters, Journal of Asthma, vol.11, issue.2, pp.593-599, 2012.
DOI : 10.1378/chest.06-2824

M. Rodriguez, M. Winkleby, D. Ahn, J. Sundquist, and H. Kraemer, Identification of Population Subgroups of Children and Adolescents With High Asthma Prevalence, Archives of Pediatrics & Adolescent Medicine, vol.156, issue.3, pp.269-275, 2002.
DOI : 10.1001/archpedi.156.3.269

J. Ma, L. Xiao, and S. Knowles, Obesity, insulin resistance and the prevalence of atopy and asthma in US adults, Allergy, vol.27, issue.11, pp.1455-1463, 2010.
DOI : 10.1111/j.1398-9995.2010.02402.x

L. Akinbami, C. Lynch, J. Parker, and T. Woodruff, The association between childhood asthma prevalence and monitored air pollutants in metropolitan areas, United States, 2001???2004, Environmental Research, vol.110, issue.3, pp.294-301, 2001.
DOI : 10.1016/j.envres.2010.01.001

L. Akinbami, J. Moorman, and X. Liu, Asthma prevalence, health care use, and mortality: United States, Natl Health Stat Report, pp.1-14, 2005.

L. Akinbami, J. Moorman, C. Bailey, H. Zahran, M. King et al., Trends in asthma prevalence, health care use, and mortality in the United States, NCHS data brief, pp.1-8, 2001.

H. Zahran, C. Bailey, and P. Garbe, Vital Signs: Asthma Prevalence, Disease Characteristics, and Self-Management Education-United States, pp.547-552, 2001.

J. Moorman, H. Zahran, B. Truman, and M. Molla, Centers for Disease C, Prevention: Current asthma prevalence -United States, Morbidity and mortality weekly report Surveillance summaries, pp.6084-86, 2002.

J. Frazier, K. Loveland, H. Zimmerman, S. Helgerson, and T. Harwell, Prevalence of Asthma Among Adults in Metropolitan Versus Nonmetropolitan Areas in Montana, Prev Chronic Dis, vol.2012, issue.9, p.9, 2008.

T. Coker, R. Kaplan, and P. Chung, The Association of Health Insurance and Disease Impairment with Reported Asthma Prevalence in U.S. Children, Health Services Research, vol.157, issue.6, pp.431-445, 2012.
DOI : 10.1111/j.1475-6773.2011.01339.x

Y. Fukutomi, M. Taniguchi, J. Watanabe, H. Nakamura, Y. Komase et al., Time Trend in the Prevalence of Adult Asthma in Japan: Findings from Population-Based Surveys in Fujieda City in 1985,1999, and 2006, Allergology International, vol.60, issue.4, pp.443-448, 1985.
DOI : 10.2332/allergolint.10-OA-0282

M. Anthracopoulos, A. Pandiora, S. Fouzas, E. Panagiotopoulou, E. Liolios et al., Sex-specific trends in prevalence of childhood asthma over 30???years in Patras, Greece, Acta Paediatrica, vol.93, issue.Suppl B, pp.1000-1005, 2011.
DOI : 10.1111/j.1651-2227.2011.02255.x

M. Anthracopoulos, S. Fouzas, A. Pandiora, E. Panagiotopoulou, E. Liolios et al., Prevalence trends of rhinoconjunctivitis, eczema, and atopic asthma in Greek schoolchildren: Four surveys during 1991-2008, Allergy and Asthma Proceedings, vol.32, issue.6, pp.56-62, 1991.
DOI : 10.2500/aap.2011.32.3504

S. Musafiri, J. Van-meerbeeck, L. Musango, G. Brusselle, G. Joos et al., Prevalence of atopy, asthma and COPD in an urban and a rural area of an African country, Respiratory Medicine, vol.105, issue.11, pp.1596-1605, 2011.
DOI : 10.1016/j.rmed.2011.06.013

A. Rodriguez, M. Vaca, G. Oviedo, S. Erazo, M. Chico et al., Urbanisation is associated with prevalence of childhood asthma in diverse, small rural communities in Ecuador, Thorax, vol.66, issue.12, pp.1043-1050, 2011.
DOI : 10.1136/thoraxjnl-2011-200225

E. Duggan, J. Sturley, A. Fitzgerald, I. Perry, and J. Hourihane, The 2002-2007 trends of prevalence of asthma, allergic rhinitis and eczema in Irish schoolchildren, Pediatric Allergy and Immunology, vol.39, issue.Suppl. 2, pp.464-471, 2012.
DOI : 10.1111/j.1399-3038.2012.01291.x

H. Anderson, B. Butland, and D. Strachan, Trends in prevalence and severity of childhood asthma, BMJ, vol.308, issue.6944, pp.1600-1604, 1994.
DOI : 10.1136/bmj.308.6944.1600

A. Jain, H. Bhat, and D. Acharya, Prevalence of bronchial asthma in rural Indian children: A cross sectional study from South India, The Indian Journal of Pediatrics, vol.12, issue.Suppl2, pp.31-35, 2010.
DOI : 10.1007/s12098-009-0308-6

B. Sanchez-lerma, High Prevalence of Asthma and Allergic Diseases in Children Aged 6 and 7 Years From the Canary Islands: The International Study of Asthma and Allergies in Childhood, 2009.

S. Hong, D. Son, W. Lim, S. Kim, H. Kim et al., The Prevalence of Atopic Dermatitis, Asthma, and Allergic Rhinitis and the Comorbidity of Allergic Diseases in Children, Environmental Health and Toxicology, vol.27, pp.2012006-2012006, 2012.
DOI : 10.5620/eht.2012.27.e2012006

M. Luna, P. Almeida, and M. Silva, Asthma and rhinitis prevalence and co-morbidity in 13-14-year-old schoolchildren in the city of Fortaleza, pp.103-112, 2011.

M. De-luna, G. Fischer, J. De-luna, M. Da-silva, P. De-almeida et al., Prevalences of asthma and rhinitis among adolescents in the city of Fortaleza, Brazil: temporal changes, Jornal Brasileiro de Pneumologia, vol.39, issue.2, pp.128-137, 2013.
DOI : 10.1590/S1806-37132013000200003

M. Juca, S. Takano, O. , L. Moraes, L. Guimaraes et al., Preval??ncia e fatores de risco para asma em adolescentes de 13 a 14 anos do Munic??pio de Cuiab??, Mato Grosso, Brasil, Cadernos de Sa??de P??blica, vol.28, issue.4, pp.689-697, 2012.
DOI : 10.1590/S0102-311X2012000400008

M. De-farias, A. Rosa, S. Hacon, H. De-castro, and E. Ignotti, Preval??ncia de asma em escolares de Alta Floresta - munic??pio ao sudeste da Amaz??nia brasileira, Revista Brasileira de Epidemiologia, vol.13, issue.1, pp.49-57, 2010.
DOI : 10.1590/S1415-790X2010000100005

K. Bennoor, M. Hassan, M. Hossain, A. Mahmud, M. Ahmad et al., Trends of asthma in Bangladesh: findings of the national asthma prevalence study ?1999 and 2010, Respirology, vol.16, pp.212-212, 2011.

I. Gudelj, M. Kobal, I. , M. Skvorc, H. Mise et al., Intraregional differences in asthma prevalence and risk factors for asthma among adolescents in Split-Dalmatia County, Croatia, Medical Science Monitor, vol.18, issue.4, pp.43-50, 2012.
DOI : 10.12659/MSM.882609

M. Toledo, T. Rozov, and C. Leone, Prevalence of asthma and allergies in 13- to 14-year-old adolescents and the frequency of risk factors in carriers of current asthma in Taubat??, S??o Paulo, Brazil, Allergologia et Immunopathologia, vol.39, issue.5, pp.284-290, 2011.
DOI : 10.1016/j.aller.2010.09.004

C. Robinson, L. Baumann, R. Gilman, K. Romero, M. Combe et al., The Peru Urban versus Rural Asthma (PURA) Study: methods and baseline quality control data from a cross-sectional investigation into the prevalence, severity, genetics, immunology and environmental factors affecting asthma in adolescence in Peru, BMJ Open, vol.2, issue.1, p.421, 2012.
DOI : 10.1136/bmjopen-2011-000421

M. Delmas, N. Guignon, B. Leynaert, I. Annesi-maesano, L. Com-ruelle et al., Pr??valence et contr??le de l???asthme chez le jeune enfant en France, Revue des Maladies Respiratoires, vol.29, issue.5, pp.688-696, 2012.
DOI : 10.1016/j.rmr.2011.11.016

G. Julia-serda, P. Cabrera-navarro, O. Acosta-fernandez, P. Martin-perez, P. Losada-cabrera et al., High prevalence of asthma and atopy in the Canary Islands, Spain, The International Journal of Tuberculosis and Lung Disease, vol.15, issue.4, pp.536-541, 2011.
DOI : 10.5588/ijtld.10.0303

B. Mahboub, S. Hammadi, M. Rafique, N. Sulaiman, R. Pawankar et al., Population prevalence of asthma and its determinants based on European Community Respiratory Health Survey in the United Arab Emirates, BMC Pulmonary Medicine, vol.4, issue.1, p.4, 2012.
DOI : 10.1371/journal.pone.0007146

G. Alves, D. Santos, C. Feitosa, and M. Barreto, Community violence and childhood asthma prevalence in peripheral neighborhoods in Salvador, pp.86-94, 2012.

L. Akinbami and K. Schoendorf, Trends in Childhood Asthma: Prevalence, Health Care Utilization, and Mortality, PEDIATRICS, vol.110, issue.2, pp.315-322, 2002.
DOI : 10.1542/peds.110.2.315

S. Agrawal, Effect of Indoor Air Pollution from Biomass and Solid Fuel Combustion on Prevalence of Self-Reported Asthma among Adult Men and Women in India: Findings from a Nationwide Large-Scale Cross-Sectional Survey, Journal of Asthma, vol.180, issue.7, pp.355-365, 2012.
DOI : 10.1378/chest.100.2.385

S. Agrawal, N. Pearce, and S. Ebrahim, Prevalence and risk factors for self-reported asthma in an adult Indian population: a cross-sectional survey, The International Journal of Tuberculosis and Lung Disease, vol.17, issue.2, pp.275-282, 2013.
DOI : 10.5588/ijtld.12.0438

P. Burney, S. Chinn, and R. Rona, Has the prevalence of asthma increased in children -evidence from the national study of health and growth, pp.1973-86

G. Krstic, Asthma Prevalence Associated with Geographical Latitude and Regional Insolation in the United States of America and Australia, PLoS ONE, vol.69, issue.OCE6, p.18492, 2011.
DOI : 10.1371/journal.pone.0018492.t004

C. Sousa, C. Cesar, M. Barros, L. Carandina, M. Goldbaum et al., Preval??ncia de asma e fatores associados: estudo de base populacional em S??o Paulo, SP, 2008-2009, Revista de Sa??de P??blica, vol.46, issue.5, pp.825-833, 2008.
DOI : 10.1590/S0034-89102012000500009

N. Fiori, H. Goncalves, S. Dumith, D. C. Cesar, M. Menezes et al., Ten-year trends in prevalence of asthma in adults in southern Brazil: comparison of two population-based studies, Cadernos de Sa??de P??blica, vol.28, issue.1, pp.135-144, 2012.
DOI : 10.1590/S0102-311X2012000100014

H. Mak, P. Johnston, H. Abbey, and R. Talamo, Prevalence of asthma and health service utilization of asthmatic children in an inner city, Journal of Allergy and Clinical Immunology, vol.70, issue.5, pp.367-372, 1982.
DOI : 10.1016/0091-6749(82)90026-4

S. Moreira, A. Ribeiro, M. Fonseca, O. Lourenco, and L. Taborda-barata, Comparative study of the prevalence, clinical features, sensitisation profiles and risk factors for Bronchial Asthma between elderly and young adults in Cova da Beira Portugal, Eur J Med Res, vol.15, pp.216-216, 2010.

B. Parasuramalu, N. Huliraj, B. Rudraprasad, P. Kumar, S. et al., Prevalence of bronchial asthma and its association with smoking habits among adult population in rural area, Indian Journal of Public Health, vol.54, issue.3, pp.165-168, 2010.
DOI : 10.4103/0019-557X.75742

A. Woolcock, J. Peat, C. Salome, K. Yan, S. Anderson et al., Prevalence of bronchial hyperresponsiveness and asthma in a rural adult population., Thorax, vol.42, issue.5, pp.361-368, 1987.
DOI : 10.1136/thx.42.5.361

A. Cornell, R. Mellins, L. Acosta, A. Rundle, R. Miller et al., Exhaled No Is Elevated With Exposure To Black Carbon And Dust Mite Allergen Among 7 And 8-Year-Old Children Living In High And Low Asthma Prevalence Neighborhoods In New York City, C38. AIRWAY INFLAMMATION: FROM MECHANISMS TO NON-INVASIVE BIOMARKERS, p.4473, 2011.
DOI : 10.1164/ajrccm-conference.2011.183.1_MeetingAbstracts.A4473

M. Studnicka, E. Hackl, J. Pischinger, C. Fangmeyer, N. Haschke et al., Traffic-related NO<SUB>2</SUB> and the prevalence of asthma and respiratory symptoms in seven year olds, European Respiratory Journal, vol.10, issue.10, pp.2275-2278, 1997.
DOI : 10.1183/09031936.97.10102275

C. Mortz, J. Lauritsen, C. Bindslev-jensen, and K. Andersen, Prevalence of atopic dermatitis, asthma, allergic rhinitis, and hand and contact dermatitis in adolescents. The Odense Adolescence Cohort Study on Atopic Diseases and Dermatitis, British Journal of Dermatology, vol.26, issue.Suppl., pp.523-532, 2001.
DOI : 10.1046/j.1365-2133.2001.04078.x

O. Kolokotroni, N. Middleton, N. Nicolaou, S. Pipis, K. Priftis et al., Temporal changes in the prevalence of childhood asthma and allergies in urban and rural areas of Cyprus: results from two cross sectional studies, BMC Public Health, vol.117, issue.4 pt 2, p.858, 2011.
DOI : 10.1542/peds.2004-2709

N. Pearce, N. Aiet-khaled, R. Beasley, J. Mallol, U. Keil et al., Worldwide trends in the prevalence of asthma symptoms: phase III of the International Study of Asthma and Allergies in Childhood (ISAAC), Thorax, vol.62, issue.9, pp.758-766, 2007.
DOI : 10.1136/thx.2006.070169

M. Upton, A. Mcconnachie, C. Mcsharry, C. Hart, G. Smith et al., Intergenerational 20 year trends in the prevalence of asthma and hay fever in adults: the Midspan family study surveys of parents and offspring, BMJ, vol.321, issue.7253, pp.88-92, 2000.
DOI : 10.1136/bmj.321.7253.88

B. Bjorksten, D. Dumitrascu, T. Foucard, N. Khetsuriani, R. Khaitov et al., Prevalence of childhood asthma, rhinitis and eczema in Scandinavia and Eastern Europe, European Respiratory Journal, vol.12, issue.2, pp.432-437, 1998.
DOI : 10.1183/09031936.98.12020432

C. Galassi, D. Sario, M. Biggeri, A. Bisanti, L. Chellini et al., Changes in prevalence of asthma and allergies among children and adolescents in Italy, Pediatrics, vol.117, pp.1994-200234, 2006.

R. Leung, G. Wong, J. Lau, A. Ho, J. Chan et al., Prevalence of asthma and allergy in Hong Kong schoolchildren: an ISAAC study, European Respiratory Journal, vol.10, issue.2, pp.354-360, 1997.
DOI : 10.1183/09031936.97.10020354

C. Robertson, E. Heycock, J. Bishop, T. Nolan, A. Olinsky et al., Prevalence of asthma in Melbourne schoolchildren: changes over 26 years., BMJ, vol.302, issue.6785, pp.1116-1118, 1991.
DOI : 10.1136/bmj.302.6785.1116

P. Pegas, C. Alves, M. Scotto, M. Evtyugina, C. Pio et al., Risk factors and prevalence of asthma and rhinitis among primary school children in Lisbon, Revista Portuguesa de Pneumologia (English Edition), vol.17, issue.3, pp.109-116, 2011.
DOI : 10.1016/S2173-5115(11)70026-4

N. Pearce, J. Sunyer, S. Cheng, S. Chinn, B. Bjorksten et al., Comparison of asthma prevalence in the ISAAC and the ECRHS, European Respiratory Journal, vol.16, issue.3, pp.420-426, 2000.
DOI : 10.1183/9031936.00.16337700

B. Kaur, H. Anderson, J. Austin, M. Burr, L. Harkins et al., Prevalence of asthma symptoms, diagnosis, and treatment in 12-14 year old children across Great Britain (international study of asthma and allergies in childhood, ISAAC UK), BMJ, vol.316, issue.7125, pp.118-124, 1998.
DOI : 10.1136/bmj.316.7125.118

L. Ekerljung, B. Sundblad, E. Ronmark, K. Larsson, and B. Lundback, Incidence and prevalence of adult asthma is associated with low socio-economic status, The Clinical Respiratory Journal, vol.104, issue.79, pp.147-156, 2010.
DOI : 10.1111/j.1752-699X.2009.00164.x

H. Lam, E. Ronmark, N. Tu-'o-'ng, L. Ekerljung, N. Chuc et al., Increase in asthma and a high prevalence of bronchitis: Results from a population study among adults in urban and rural Vietnam, Respiratory Medicine, vol.105, issue.2, pp.177-185, 2011.
DOI : 10.1016/j.rmed.2010.10.001

A. James, M. Knuiman, M. Divitini, J. Hui, M. Hunter et al., Changes in the prevalence of asthma in adults since 1966: the Busselton health study, European Respiratory Journal, vol.35, issue.2, pp.273-278, 2010.
DOI : 10.1183/09031936.00194308

G. Wennergren, L. Ekerljung, B. Alm, J. Eriksson, J. Lotvall et al., Asthma in late adolescence - farm childhood is protective and the prevalence increase has levelled off, Pediatric Allergy and Immunology, vol.43, issue.S2, pp.806-813, 2010.
DOI : 10.1111/j.1399-3038.2010.01057.x

A. Arnedo-pena, L. Garcia-marcos, F. Fernandez-espinar, J. Bercedo-sanz, A. Aguinaga-ontoso et al., Sunny hours and variations in the prevalence of asthma in schoolchildren according to the International Study of Asthma and Allergies (ISAAC) Phase III in Spain, International Journal of Biometeorology, vol.59, issue.8, pp.423-434, 2011.
DOI : 10.1007/s00484-010-0353-x

S. Alsowaidi, A. Abdulle, and R. Bernsen, Prevalence and Risk Factors of Asthma among Adolescents and Their Parents in Al-Ain (United Arab Emirates) Respiration, pp.105-111, 2010.

Y. Guo, Y. Lin, F. Sung, S. Huang, Y. Ko et al., Climate, traffic-related air pollutants, and asthma prevalence in middle-school children in taiwan, Environmental Health Perspectives, vol.107, issue.12, pp.1001-1006, 1999.
DOI : 10.1289/ehp.991071001

G. Hwang, J. Choi, Y. Yoo, J. Choung, and C. Yoon, Residential Environmental Risk Factors for Childhood Asthma Prevalence in Metropolitan and Semirural Cities in Korea, Asia Pacific Journal of Public Health, vol.45, issue.1, pp.58-67, 2012.
DOI : 10.1056/NEJMra054308

S. Sousa, C. Ferraz, M. Alvim-ferraz, F. Martins, L. Vaz et al., Spirometric tests to assess the prevalence of childhood asthma at Portuguese rural areas: Influence of exposure to high ozone levels, Environment International, vol.37, issue.2, pp.474-478, 2011.
DOI : 10.1016/j.envint.2010.11.014

G. Koshy, A. Delpisheh, and B. Brabin, Trends in prevalence of childhood and parental asthma in Merseyside, 1991-2006, Journal of Public Health, vol.32, issue.4, pp.488-495, 1991.
DOI : 10.1093/pubmed/fdq027

T. Hansen, B. Evjenth, and J. Holt, Increasing prevalence of asthma, allergic rhinoconjunctivitis and eczema among schoolchildren: three surveys during the period 1985-2008, Acta Paediatrica, vol.103, issue.1, pp.47-52, 1985.
DOI : 10.1111/apa.12030

I. Zollner, S. Weiland, I. Piechotowski, T. Gabrio, E. Von-mutius et al., No increase in the prevalence of asthma, allergies, and atopic sensitisation among children in Germany, Thorax, vol.60, pp.1992-2001545, 2005.

S. Kim, J. Jung, M. Park, Y. Kang, E. Kim et al., Increased Prevalence of Self-Reported Asthma Among Korean Adults: An Analysis of KNHANES I and IV Data, Lung, vol.54, issue.5, pp.281-288, 2013.
DOI : 10.1007/s00408-013-9453-9

A. Bjerg, T. Sandstrom, B. Lundback, and E. Ronmark, Time trends in asthma and wheeze in Swedish children 1996??????2006: prevalence and risk factors by sex, Allergy, vol.60, issue.Suppl. 10, pp.48-55, 2010.
DOI : 10.1111/j.1398-9995.2009.02105.x

J. Bai, J. Zhao, K. Shen, L. Xiang, A. Chen et al., Current Trends of the Prevalence of Childhood Asthma in Three Chinese Cities : A Multicenter Epidemiological Survey, Biomedical and Environmental Sciences, vol.23, issue.6, pp.453-457, 2010.
DOI : 10.1016/S0895-3988(11)60007-X

J. Peat, M. Haby, J. Spijker, G. Berry, and A. Woolcock, Prevalence of asthma in adults in Busselton, Western Australia., BMJ, vol.305, issue.6865, pp.1326-1329, 1992.
DOI : 10.1136/bmj.305.6865.1326

A. Kainu, P. Pallasaho, P. Piirila, A. Lindqvist, A. Sovijarvi et al., Increase in prevalence of physician-diagnosed asthma in Helsinki during the Finnish Asthma Programme: improved recognition of asthma in primary care? A cross-sectional cohort study, Primary Care Respiratory Journal, vol.36, issue.1, pp.64-71, 2013.
DOI : 10.4104/pcrj.2013.00002

A. Ghobain, M. Hajjaj, M. , A. Moamary, and M. , Asthma prevalence among 16- to 18-year-old adolescents in Saudi Arabia using the ISAAC questionnaire, BMC Public Health, vol.32, issue.1, p.239, 2012.
DOI : 10.1016/S0301-0546(04)79228-9

T. To, S. Stanojevic, G. Moores, A. Gershon, E. Bateman et al., Global asthma prevalence in adults: findings from the cross-sectional world health survey, BMC Public Health, vol.179, issue.5, p.204, 2012.
DOI : 10.1503/cmaj.081332

F. Wehrmeister and K. De-anselmo-peres, Desigualdades regionais na preval??ncia de diagn??stico de asma em crian??as: uma an??lise da Pesquisa Nacional por Amostra de Domic??lios, 2003, Cadernos de Sa??de P??blica, vol.26, issue.9, pp.1839-1852, 2003.
DOI : 10.1590/S0102-311X2010000900017

URL : http://www.scielo.br/pdf/csp/v26n9/17.pdf

D. Strachan, H. Anderson, E. Limb, A. Oneill, and N. Wells, A national survey of asthma prevalence, severity, and treatment in Great Britain., Archives of Disease in Childhood, vol.70, issue.3, pp.174-178, 1994.
DOI : 10.1136/adc.70.3.174

A. Rodriguez, L. , J. Rey, J. , B. Herrera et al., Prevalencia de s??ntomas respiratorios indicativos de asma y asociaci??n con contaminaci??n atmosf??rica en preescolares de Bucaramanga, Colombia, Biom??dica, vol.30, issue.1, pp.15-22, 2010.
DOI : 10.7705/biomedica.v30i1.148

D. Goh, F. Chew, S. Quek, and B. Lee, Prevalence and severity of asthma, rhinitis, and eczema in Singapore schoolchildren., Archives of Disease in Childhood, vol.74, issue.2, pp.131-135, 1996.
DOI : 10.1136/adc.74.2.131

A. Shakurnia, S. Assar, M. Afra, and M. Latifi, Prevalence of asthma among schoolchildren in Ahvaz, Islamic Republic of Iran, East Mediterr Health J, vol.16, pp.651-656, 2010.

O. Fedortsiv, G. Brozek, N. Luchyshyn, I. Kubey, J. Lawson et al., Prevalence of childhood asthma, rhinitis, and eczema in the Ternopil region of Ukraine ??? results of BUPAS study, Advances in Medical Sciences, vol.57, issue.2, pp.282-289, 2012.
DOI : 10.2478/v10039-012-0034-6

E. Vonmutius, C. Fritzsch, S. Weiland, G. Roll, and H. Magnussen, Prevalence of asthma and allergic disorders among children in united Germany: a descriptive comparison., BMJ, vol.305, issue.6866, pp.1395-1399, 1992.
DOI : 10.1136/bmj.305.6866.1395

A. Litonjua, V. Carey, S. Weiss, and D. Gold, Race, socioeconomic factors, and area of residence are associated with asthma prevalence, Pediatric Pulmonology, vol.144, issue.6, pp.394-401, 1999.
DOI : 10.1002/(SICI)1099-0496(199912)28:6<394::AID-PPUL2>3.0.CO;2-6

J. Nriagu, J. Martin, P. Smith, and D. Socier, Residential hazards, high asthma prevalence and multimorbidity among children in Saginaw, Michigan, Science of The Total Environment, vol.416, pp.53-61, 2012.
DOI : 10.1016/j.scitotenv.2011.10.040

S. Downs, G. Marks, R. Sporik, E. Belosouva, N. Car et al., Continued increase in the prevalence of asthma and atopy, Archives of Disease in Childhood, vol.84, issue.1, pp.20-23, 2001.
DOI : 10.1136/adc.84.1.20

J. Lukrafka, S. Fuchs, L. Moreira, R. Picon, G. Fischer et al., Performance of the ISAAC Questionnaire to Establish the Prevalence of Asthma in Adolescents: A Population-Based Study, Journal of Asthma, vol.41, issue.5, pp.166-169, 2010.
DOI : 10.1183/09031936.05.00120104

J. Miller, The effects of race/ethnicity and income on early childhood asthma prevalence and health care use, Am J Public Health, vol.90, pp.428-430, 2000.

M. Zobeiri, Prevalence, risk factors and severity of asthma symptoms in children of Kermanshah, IRAN: ISAAC phase I, II, Acta Med Iran, vol.49, pp.184-188, 2011.

K. Yeh, L. Ou, T. Yao, L. Chen, W. Lee et al., Prevalence and risk factors for early presentation of asthma among preschool children in Taiwan, Asian Pac J Allergy Immunol, vol.29, pp.120-126, 2011.

C. Joseph, B. Foxman, F. Leickly, E. Peterson, and D. Ownby, Prevalence of possible undiagnosed asthma and associated morbidity among urban schoolchildren, The Journal of Pediatrics, vol.129, issue.5, pp.735-742, 1996.
DOI : 10.1016/S0022-3476(96)70158-0

P. Gergen, D. Mullally, and R. Evans, National survey of prevalence of asthma among children in United-States, Pediatrics, vol.81, pp.1-7, 1976.

Y. Jie, Z. Isa, X. Jie, and N. Ismail, Asthma and Asthma-Related Symptoms among Adults of an Acid Rain-Plagued City in Southwest China: Prevalence and Risk Factors, Pol J Environ Stud, vol.22, pp.717-726, 2013.

S. Rerksuppaphol and L. Rerksuppaphol, Carotenoid intake and asthma prevalence in Thai children. Pediatr Rep, pp.12-12, 2012.

R. De-marco, G. Pesce, A. Marcon, S. Accordini, L. Antonicelli et al., The Coexistence of Asthma and Chronic Obstructive Pulmonary Disease (COPD): Prevalence and Risk Factors in Young, Middle-aged and Elderly People from the General Population, PLoS ONE, vol.374, issue.9691, p.62985, 2013.
DOI : 10.1371/journal.pone.0062985.t004

T. Bryant-stephens, C. West, C. Dirl, T. Banks, V. Briggs et al., Asthma Prevalence in Philadelphia: Description of Two Community-Based Methodologies to Assess Asthma Prevalence in an Inner-City Population, Journal of Asthma, vol.4, issue.2, pp.581-585, 2012.
DOI : 10.3109/02770903.2012.690476

D. Waite, E. Eyles, S. Tonkin, and T. Odonnell, Asthma prevalence in Tokelauan children in two environments, Clinical <html_ent glyph="@amp;" ascii="&"/> Experimental Allergy, vol.88, issue.1, pp.71-75, 1980.
DOI : 10.1111/j.1365-2222.1980.tb02082.x

J. De-sousa, M. Santo, T. Colaco, F. Almada-lobo, and J. Yaphe, Asthma in an Urban Population in Portugal: A prevalence study, BMC Public Health, vol.6, issue.1284, p.347, 2011.
DOI : 10.1186/1471-2296-6-16

Z. Zivkovic, Z. Vukasinovic, S. Cerovic, S. Radulovic, and S. Zivanovic, Prevalence of childhood asthma and allergies in Serbia and Montenegro, World Journal of Pediatrics, vol.113, issue.Suppl72, pp.331-336, 2010.
DOI : 10.1007/s12519-010-0207-y

P. Burney, L. Laitinen, S. Perdrizet, H. Huckauf, A. Tattersfield et al., Validity and repeatability of the IUATLD (1984) Bronchial Symptoms Questionnaire: an international comparison, Eur Respir J, vol.2, pp.940-945, 1989.

R. De-marco, I. Cerveri, M. Bugiani, M. Ferrari, and G. Verlato, An undetected burden of asthma in Italy: the relationship between clinical and epidemiological diagnosis of asthma, Eur Respir J, vol.11, pp.599-605, 1998.

N. Skytt, K. Bønnelykke, and H. Bisgaard, ???To wheeze or not to wheeze???: That is not the question, Journal of Allergy and Clinical Immunology, vol.130, issue.2, pp.403-407, 2012.
DOI : 10.1016/j.jaci.2012.04.043

A. Wright, Epidemiology of asthma and recurrent wheeze in childhood, Clinical Reviews in Allergy & Immunology, vol.163, issue.Suppl, pp.33-44, 2002.
DOI : 10.1007/s12016-002-0004-z