[1] Ist Ric Farmacol Mario Negri IRCCS, Dept Environm Hlth Sci, I-20156 Milan, Italy
[2] Univ Pavia, Dept Publ Hlth Expt & Forens Med, I-27100 Pavia, Italy
[3] Univ Vita Salute San Raffaele, Sch Med, I-20132 Milan, Italy
[4] Maastricht Univ Med Ctr, Dept Epidemiol, CAPHRI Sch Publ Hlth & Primary Care, NL-6211 LK Maastricht, Netherlands
[5] Maastricht Univ Med Ctr, Dept Epidemiol, GROW Sch Oncol & Dev Biol, NL-6211 LK Maastricht, Netherlands
[6] Prevent & Res Inst ISPRO, Oncol Network, I-50139 Florence, Italy
[7] Italian Minist Hlth, Ctr Dis Prevent & Control, I-00144 Rome, Italy
[8] Ist Super Sanita, Natl Ctr Addict & Doping, I-00161 Rome, Italy