[1] Ist Ric Farmacol Mario Negri, Dept Epidemiol, I-2056 Milan, Italy
[2] Maastricht Univ, Dept Complex Genet, Cluster Genet & Cell Biol, NUTRIM Sch Nutr Toxicol & Metab,Med Ctr, Maastricht, Netherlands
[3] Univ Milan, Dept Occupat Hlth, Milan, Italy
[4] Univ Florence, Dept Preclin & Clin Pharmacol Mario Aiazzi Mancin, Florence, Italy
[5] NCI, Bethesda, MD 20892 USA
[6] Mayo Clin, Rochester, MN USA
[7] Univ Calif San Francisco, San Francisco, CA 94143 USA
[8] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[9] Yale Univ, Sch Med, Dept Epidemiol & Publ Hlth, New Haven, CT 06510 USA
[10] Mem Sloan Kettering Canc Ctr, Dept Epidemiol & Biostat, New York, NY 10021 USA
[11] Toronto Gen Hosp, Toronto, ON, Canada
[12] Univ Toronto, Dalla Lana Sch Publ Hlth, Toronto, ON, Canada
[13] Natl Inst Publ Hlth & Environm RIVM, Bilthoven, Netherlands
[14] Univ Med Ctr Utrecht, Dept Gastroenterol & Hepatol, Utrecht, Netherlands
[15] Natl Canc Inst, Unit Epidemiol & Biostat, Ctr Riferimento Oncol, Aviano, Italy
[16] Res Ctr CRCHUM, Epidemiol Res Unit, Montreal, PQ, Canada
[17] Womens & Childrens Hosp, Adelaide, SA, Australia
[18] Ctr Canc, Warsaw, Poland
[19] Inst Oncol, Warsaw, Poland
[20] Louisiana State Univ, Sch Publ Hlth, New Orleans, LA USA
[21] Shanghai Canc Inst, Shanghai, Peoples R China
[22] Mem Sloan Kettering Canc Ctr, Dept Med, New York, NY 10021 USA
[23] Canc Care Ontario, Toronto, ON, Canada
[24] European Inst Oncol, Milan, Italy
[25] Catalan Inst Oncol, Barcelona, Spain
[26] Mt Sinai Sch Med, Tisch Canc Inst, New York, NY USA
[27] Mt Sinai Sch Med, Inst Translat Epidemiol, New York, NY USA
[28] Int Prevent Res Inst, Lyon, France