[1] Univ Calif Los Angeles, Los Angeles, CA USA
[2] Int Agcy Res Canc, F-69372 Lyon, France
[3] IDIBELL Hospitalet de Llobregat, Inst Catalan Oncol, RTICC CIBERESP, Barcelona, Spain
[4] Univ Bremen, Bremen Inst Prevent Res & Social Med, D-28359 Bremen, Germany
[5] Gen Hosp Pordenone, Pordenone, Italy
[6] Charles Univ Prague, Fac Med 1, Inst Hyg & Epidemiol, Prague, Czech Republic
[7] INSERM, U794, Paris, France
[8] Inst Gustave Roussy, CNRS, FRE2939, Villejuif, France
[9] 8Informat & Stat Div, Edinburgh, Midlothian, Scotland
[10] Univ Padua, Dept Environm Med & Publ Hlth, Padua, Italy
[11] Informat & Stat Div, Edinburgh, Midlothian, Scotland
[12] Univ Glasgow, Fac Med, Sch Dent, Glasgow, Lanark, Scotland
[13] Trinity Coll Dublin, Sch Dent Sci, Dublin, Ireland
[14] Canc Registry Norway, Oslo, Norway
[15] Univ Athens, Sch Med, Dept Hyg Epidemiol & Med Stat, GR-11527 Athens, Greece
[16] Newcastle Univ, Sch Dent, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[17] Univ Aberdeen, Sch Med, Aberdeen AB9 2ZD, Scotland
[18] CeRMS, Canc Epidemiol Unit, Turin, Italy
[19] Univ Turin, Turin, Italy
[20] IRCCS, Natl Canc Inst, Aviano, Italy
[21] Croatian Natl Inst Publ Hlth, Croatian Natl Canc Registry, Zagreb, Croatia
