[1] Vrije Univ Amsterdam, Med Ctr, Dept Pathol, NL-1007 MB Amsterdam, Netherlands
[2] Vrije Univ Amsterdam, Med Ctr, Dept Clin Epidemiol & Biostat, NL-1007 MB Amsterdam, Netherlands
[3] NIH, Dept Canc Epidemiol & Genet, Washington, DC USA
[4] McGill Univ, Div Canc Epidemiol, Montreal, PQ, Canada
[5] Ctr Prevenz Oncol, Canc Epidemiol Unit, Turin, Italy
[6] Sci Inst Publ Hlth, Canc Epidemiol Unit, Brussels, Belgium
[7] IARC, ECCG European Cooperat Dev & Implementat Canc Scr, Lyon, France
[8] Hosp Ilobregat, ICO, Serv Epidemiol, Barcelona, Spain
[9] Barts & London Queen Marys Sch Med & Dent, London, England
[10] Lund Univ, Univ Hosp, Dept Med Microbiol, Malmo, Sweden
[11] Canc Res UK, London, England