[1] Univ London Imperial Coll Sci Technol & Med, Sch Publ Hlth, Dept Epidemiol & Biostat, London, England
[2] London Sch Hyg & Trop Med, London WC1, England
[3] Univ Bern, Inst Social & Prevent Med, Bern, Switzerland
[4] Int Agcy Res Canc, F-69372 Lyon, France
[5] Univ Leicester, Dept Canc Studies & Mol Med, Leicester, Leics, England
[6] Stanford Univ, Sch Med, Stanford Prevent Res Ctr, Stanford, CA 94305 USA
[7] Univ Ioannina, Sch Med, Dept Hyg & Epidemiol, GR-45110 Ioannina, Greece
[8] Vrije Univ Brussel, Lab Cell Genet, Brussels, Belgium
[9] HuGeF Human Genet Fdn, Turin, Italy
[10] Univ Turin, Dept Genet Biol & Biochem, Turin, Italy
[11] Inst Canc Res, Sutton, Surrey, England
[12] Natl Inst Environm Hlth, Budapest, Hungary
[13] Lund Univ, Div Occupat & Environm Med, Lund, Sweden
[14] Univ Utrecht, IRAS, Div Environm Epidemiol, Utrecht, Netherlands
[15] Univ Autonoma Barcelona, IMIM, E-08193 Barcelona, Spain
[16] Univ London Imperial Coll Sci Technol & Med, Sch Publ Hlth, MRC HPA Ctr Environm & Hlth, London, England