[1] Int Agcy Res Canc, F-69372 Lyon 08, France
[2] Univ Pisa, Dipartimento Sci Uomo & Ambiente, Pisa, Italy
[3] Inst Hyg, Publ Hlth Hlth Serv & Management, Bucharest, Romania
[4] Ctr Canc Res, Inst Carcinogensis, Moscow, Russia
[5] Inst Occupat Med, Dept Occupat & Environm Epidemiol, Lodz, Poland
[6] Natl Inst Environm Hlth, Budapest, Hungary
[7] Ctr Canc, Warsaw, Poland
[8] Marie Sklodowska Inst Oncol, Warsaw, Poland
[9] Specialized State Hlth Inst, Dept Occupat Hlth, Banska Bystrica, Slovakia
[10] Charles Univ Prague, Fac Med 1, Inst Hyg & Epidemiol, Prague, Czech Republic
[11] Masaryk Canc Inst, Dept Epidemiol & Genet, Brno, Czech Republic
[12] Palacky Univ Med, Dept Prevent Med, Olomouc, Czech Republic