[1] German Inst Human Nutr, Dept Epidemiol, D-14558 Potsdam, Germany
[2] Univ Naples Federico II, Dept Clin & Expt Med, Naples, Italy
[3] Catalan Inst Oncol, Dept Epidemiol, Barcelona, Spain
[4] Natl Inst Publ Hlth & Environm, Ctr Chron Dis Epidemiol, NL-3720 BA Bilthoven, Netherlands
[5] Civili MP Arezzo Hosp, Canc Registry, Ragusa, Italy
[6] Natl Canc Inst, Epidemiol Unit, I-20133 Milan, Italy
[7] Univ Utrecht, Julius Ctr Gen Practice & Patient Oriented Res, NL-3508 TC Utrecht, Netherlands
[8] Univ Tromso, Inst Community Med, N-9001 Tromso, Norway
[9] Univ Oslo, Sect Med Stat, N-0316 Oslo, Norway
[10] Andalusian Sch Publ Hlth, Granada, Spain
[11] Council Hlth & Social Affairs Asturia, Oviedo, Spain
[12] Lund Univ, Malmo Univ Hosp, Dept Med, S-22100 Lund, Sweden
[13] Umea Univ, Dept Publ Hlth & Clin Med, S-90187 Umea, Sweden
[14] Univ Cambridge, Sch Clin Med, Dept Publ Hlth & Primary Care, Cambridge CB2 1TN, England
[15] Univ Oxford, Canc Res UK, Epidemiol Unit, Oxford OX1 2JD, England
[16] Univ Aarhus, Dept Epidemiol & Social Med, DK-8000 Aarhus C, Denmark
[17] Danish Canc Soc, Copenhagen, Denmark
[18] Inst Gustave Roussy, INSERM, E3N EPIC Grp, F-94805 Villejuif, France
[19] German Canc Res Ctr, Div Clin Epidemiol, D-6900 Heidelberg, Germany
[20] Univ Athens, Sch Med, Dept Hyg & Epidemiol, Athens, Greece
[21] Int Agcy Res Canc, F-69372 Lyon, France