R. Médicale-;-german-cancer-aid-;-german-cancer-research and . Center, Danish Cancer Society; Red Temática de Investigación Cooperativa de Centros de Cáncer (C03/10); the participating regional governments and institutions of Murcia, Navarra, Asturias, Pais Vasco y Andalucia, Spain; Cancer Research UK; Medical Research Council United Kingdom; Stroke Association, United Kingdom; British Heart Foundation; Department of Health, United Kingdom; Food Standards Agency, United Kingdom; The Wellcome Trust, United Kingdom; Greek Ministry of Education; Greek Ministry of Health and Social Solidarity; Hellenic Health Foundation; Italian Association for Research on Cancer; Dutch Ministry of Public Health, Welfare and Sports; Dutch Ministry of Health; Dutch Prevention Funds; LK Research Funds; Dutch Zorg Onderzoek Nederland; World Cancer Research Fund; Swedish Cancer Society; Swedish Scientific Council; Regional Government of Vasterbotten and Skane, Sweden; Norwegian Cancer Society; and Foundation to Promote Research into Functional Vitamin B12 Deficiency, Norway. Some authors are partners of Environmental Cancer Risk, Nutrition and Individual Susceptibility, a network of excellence of the European Commission

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