[1] H Lee Moffitt Canc Ctr & Res Inst, Risk Assessment Detect & Intervent Program, Tampa, FL USA
[2] Univ Puerto Rico, Ctr Comprehens Canc, Canc Control & Populat Sci Program, San Juan, PR 00936 USA
[3] ICO, CERP, UNIC, Barcelona, Spain
[4] McGill Univ, Dept Oncol, Div Canc Epidemiol, Montreal, PQ, Canada
[5] McGill Univ, Dept Epidemiol & Biostat, Div Canc Epidemiol, Montreal, PQ, Canada
[6] Danish Canc Soc, Inst Canc Epidemiol, Copenhagen, Denmark
[7] Inst Nacl Cancerol, Bogota, Colombia
[8] NCI, Hormonal & Reprod Epidemiol Branch, Div Canc Epidemiol & Genet, Bethesda, MD 20892 USA