[1] Catalan Inst Oncol ICO IDIBELL, Canc Epidemiol Res Program, Unit Infect & Canc, Barcelona, Catalonia, Spain
[2] CIBER Epidemiol & Salud Publ CIBERESP, Madrid, Spain
[3] German Canc Res Ctr, Infect & Canc Program, Heidelberg, Germany
[4] Catalan Inst Oncol ICO IDIBELL, Canc Epidemiol Res Program, Unit Nutr Environm & Canc, Barcelona, Catalonia, Spain
[5] Univ Autonoma Barcelona, Dept Microbiol, Hosp Santa Creu St & Pau, E-08193 Barcelona, Catalonia, Spain
[6] Karolinska Inst, Dept Lab Med, Stockholm, Sweden
[7] Karolinska Inst, Dept Med Epidemiol & Biostat, Stockholm, Sweden
[8] UiT Arctic Univ Norway, Dept Community Med, Fac Hlth Sci, Tromso, Norway
[9] Danish Canc Soc, Res Ctr, Copenhagen, Denmark
[10] Fdn IRCCS Ist Nazl Tumori, Epidemiol & Prevent Unit, Milan, Italy
[11] Canc Res & Prevent Inst ISPO, Mol & Nutr Epidemiol Unit, Florence, Italy
[12] Univ Cambridge, Cambridge, England
[13] Univ Washington, Dept Med, Seattle, WA USA
[14] Univ Washington, Dept Global Hlth, Seattle, WA 98195 USA
[15] Fred Hutchinson Canc Res Ctr, Vaccine & Infect Dis Inst, Seattle, WA 98104 USA
[16] Aarhus Univ, Dept Publ Hlth, Epidemiol Sect, Aarhus, Denmark
[17] INSERM, Nutr Hormones & Womens Hlth Team, Ctr Res Epidemiol & Populat Hlth CESP, Villejuif, France
[18] Univ Paris 11, Villejuif, France
[19] IGR, Villejuif, France
[20] German Canc Res Ctr, Div Canc Epidemiol, Heidelberg, Germany
[21] German Inst Human Nutr Potsdam Rehbrucke, Dept Epidemiol, Nuthetal, Germany
[22] Hellen Hlth Fdn, Athens, Greece
[23] Univ Athens, Sch Med, Dept Hyg Epidemiol & Med Stat, WHO Collaborating Ctr Food & Nutr Policies, GR-11527 Athens, Greece
[24] Harvard Univ, Sch Publ Hlth, Dept Epidemiol, Boston, MA 02115 USA
[25] Acad Athens, Bur Epidemiol Res, Athens, Greece
[26] Civ MP Arezzo Hosp, Canc Registry, Ragusa, Italy
[27] Civ MP Arezzo Hosp, Histopathol Unit, Ragusa, Italy
[28] Human Genet Fdn HuGeF, Turin, Italy
[29] Univ Naples Federico II, Dipartimento Med Clin & Chirurg, Naples, Italy
[30] Univ London Imperial Coll Sci Technol & Med, Ctr Environm & Hlth, Sch Publ Hlth, London, England
[31] Natl Inst Publ Hlth & Environm RIVM, Bilthoven, Netherlands
[32] Univ Med Ctr, Dept Gastroenterol & Hepatol, Utrecht, Netherlands
[33] Univ Med Ctr Utrecht, Dept Epidemiol, Julius Ctr Hlth Sci & Primary Care, Utrecht, Netherlands
[34] Canc Registry Norway, Dept Res, Oslo, Norway
[35] Samfundet Folkhalsan, Helsinki, Finland
[36] Publ Hlth Directorate, Asturias, Spain
[37] Andalusian Sch Publ Hlth, Granada, Spain
[38] Inst Invest Biosanitario Granada Granada Bs, Granada, Spain
[39] Murcia Reg Hlth Council, Dept Epidemiol, Murcia, Spain
[40] Univ Murcia, Dept Hlth & Social Sci, Murcia, Spain
[41] Navarra Publ Hlth Inst, Pamplona, Spain
[42] Reg Govt Basque Country, Publ Hlth Div Gipuzkoa, Bilbao, Spain
[43] Lund Univ, Dept Med Microbiol, Skane Univ Hosp, Malmo, Sweden
[44] Skane Univ Hosp, Dept Clin Microbiol, Malmo, Sweden
[45] Oncol Umea Univ, Dept Radiat Sci, Umea, Sweden
[46] Univ Cambridge, MRC Epidemiol Unit, Cambridge, England
[47] Univ Oxford, Canc Epidemiol Unit, Oxford, England
[48] Int Agcy Res Canc, F-69372 Lyon, France