R. M. Grant, J. R. Lama, and P. L. Anderson, Preexposure chemoprophylaxis for HIV prevention in men who have sex with men, N Engl J Med, vol.363, pp.2587-2599, 2010.

J. Molina, C. Capitant, and B. Spire, On-demand preexposure prophylaxis in men at high risk for HIV-1 infection, N Engl J Med, vol.373, pp.2237-2246, 2015.
URL : https://hal.archives-ouvertes.fr/halshs-01429281

S. Mccormack, D. T. Dunn, and M. Desai, Pre-exposure prophylaxis to prevent the acquisition of HIV-1 infection (PROUD): effectiveness results from the pilot phase of a pragmatic open-label randomised trial, Lancet, vol.387, pp.53-60, 2016.

W. Health-organization, Consolidated Guidelines on HIV Prevention, Diagnosis, Treatment and Care for Key Populations. WHO Guidelines. WHO: Geneva, 2014.

, World Health Organization. Guidelines Guideline on When to Start Antiretroviral Therapy and on Pre-Exposure Prophylaxis for HIV, 2015.

, World Health Organization. WHO Implementation Tool for Pre-exposure Prophylaxis (PrEP, 2017.

F. M. Cowan, S. Delany-moretlwe, and E. J. Sanders, PrEP implementation research in Africa: what is new?, J Int AIDS Soc, issue.7, p.21101, 2016.

, AVAC Global Advocacy for HIV Prevention

J. B. Mcgillen, S. Anderson, and T. B. Hallett, PrEP as a feature in the optimal landscape of combination HIV prevention in sub-Saharan Africa, J Int AIDS Soc, issue.7, p.21104, 2016.

G. Djomand, S. Quaye, and P. S. Sullivan, HIV epidemic among key populations in West Africa, Curr Opin HIV AIDS, vol.9, pp.506-513, 2014.

B. Vuylsteke, G. Semde, L. Sika, T. Crucitti, E. Traore et al., High prevalence of HIV and sexually transmitted infections among male sex workers in Abidjan, Cote d'Ivoire: need for services tailored to their needs, Sex Transm Infect, vol.88, pp.288-293, 2012.

T. Dah, J. Orne-gliemann, J. B. Guiard-schmid, R. Becquet, and J. Larmarange, Les hommes qui ont des rapports sexuels avec d'autres hommes (HSH) et l'infection a VIH a Ouagadougou, Burkina Faso: connaissances, attitudes, pratiques et enqu^ ete de s eropr evalence, Rev Epidemiol Sante Publique, vol.64, pp.295-300, 2016.

. Unaids and . Countries, , 2015.

C. Couderc, D. El-e-keita, B. Anoma, and C. , Is PrEP needed for MSM in West Africa? HIV incidence in a prospective multicountry cohort, JAIDS J Acquir Immune Defic Syndr, vol.75, pp.80-82, 2017.

M. Sheehy, W. Tun, L. Vu, S. Adebajo, O. Obianwu et al., High levels of bisexual behavior among men having sex with men (MSM) in Nigeria, AIDS Care, vol.26, pp.116-122, 2014.

S. Baral, A. Scheibe, and P. Sullivan, Assessing priorities for combination HIV prevention research for men who have sex with men (MSM) in Africa, AIDS Behav, pp.60-69, 2013.

M. Holt, HIV pre-exposure prophylaxis and treatment as prevention: a review of awareness and acceptability among men who have sex with men in the Asia-Pacific region and the Americas, Sexual Health, vol.11, pp.166-170, 2014.

I. Young and L. Mcdaid, How acceptable are antiretrovirals for the prevention of sexually transmitted HIV?: a review of research on the acceptability of oral pre-exposure prophylaxis and treatment as prevention, AIDS Behav, vol.18, pp.195-216, 2014.

S. Yi, S. Tuot, and G. W. Mwai, Review article Awareness and willingness to use HIV pre-exposure prophylaxis among men who have sex with men in low-and middle-income countries : a systematic review and meta-analysis, J Int AIDS Soc, vol.20, pp.1-27, 2017.

A. B. Eisingerich, A. Wheelock, G. B. Gomez, G. P. Garnett, M. R. Dybul et al., Attitudes and acceptance of oral and parenteral HIV preexposure prophylaxis among potential user groups: a multinational study, PLoS ONE, vol.2012, p.28238

R. N. Karuga, S. N. Njenga, and R. Mulwa, How i wish this thing was initiated 100 years ago!' Willingness to take daily oral pre-exposure prophylaxis among men who have sex with men in Kenya, PLoS ONE, p.151716, 2016.

H. Ha, J. Risser, M. W. Ross, N. T. Huynh, and H. Nguyen, Homosexuality-related stigma and sexual risk behaviors among men who have sex with men in Hanoi, Arch Sex Behav, vol.44, pp.349-356, 2015.

M. Rosenberg, Society and the Adolescent Self-image, 1965.

I. B. Thurston, J. Dietrich, and L. M. Bogart, Correlates of sexual risk among sexual minority and heterosexual South African youths, Am J Public Health, vol.104, pp.1265-1269, 2014.

A. M. Anderson, M. W. Ross, J. E. Nyoni, and S. A. Mccurdy, High prevalence of stigma-related abuse among a sample of men who have sex with men in Tanzania: implications for HIV prevention, AIDS Care, vol.27, pp.63-70, 2015.

K. Kroenke, R. L. Spitzer, and J. B. Williams, The PHQ-9: validity of a brief depression severity measure, J Gen Intern Med, vol.16, pp.606-613, 2001.

R. Castro, D. Quatremere, G. Sagaon-teyssier, and L. , Informal pre-exposure prophylaxis use in France: results from the Flash PrEP survey (2014), HIV Med, vol.18, pp.308-310, 2017.
URL : https://hal.archives-ouvertes.fr/inserm-01985788

G. Ayala, K. Makofane, and G. M. Santos, Access to basic HIV-related services and PrEP acceptability among men who have sex with men worldwide: barriers, facilitators, and implications for combination prevention, J Sex Transm Dis, p.953123, 2013.

A. E. Grulich and I. Zablotska, Commentary: Probability of HIV transmission through anal intercourse, Int J Epidemiol, vol.39, pp.1064-1065, 2010.

D. Santis, J. P. Colin, J. M. , P. Vasquez, E. Mccain et al., The relationship of depressive symptoms, self-esteem, and sexual behaviors in a predominantly Hispanic sample of men who have sex with men, Am J Mens Health, vol.2, pp.314-321, 2008.

E. P. Vasquez, R. M. Gonzalez-guarda, D. Santis, and J. P. , Acculturation, depression, self-esteem, and substance abuse among Hispanic men, Issues Ment Health Nurs, vol.32, pp.90-97, 2011.

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