[1] Univ Torino, Dept Publ Hlth & Pediat, Piazza Polonia 94, I-10126 Turin, Italy
[2] Univ Genoa, Sch Med, Dept Hlth Sci, I-16132 Genoa, Italy
[3] Univ Genoa, Dept Expt Med, I-16132 Genoa, Italy
[4] IRCCS Osped Policlin San Martino, I-161632 Genoa, Italy
[5] Univ Insubria, Dept Med & Surg, Res Ctr Epidemiol & Prevent Med EPIMED, I-21100 Varese, Italy
[6] IRCCS NEUROMED, Dept Epidemiol & Prevent, I-86077 Pozzilli, Italy
[7] Mediterranea Cardioctr, I-80122 Naples, Italy
[8] Univ Catania, Dept Med & Surg Sci & Adv Technol GF Ingrassia, I-95123 Catania, Italy
[9] Univ Cattolica Sacro Cuore, Univ Dept Life Sci & Publ Hlth, Sect Hyg, I-00168 Rome, Italy
[10] Az ULSS3 Serenissima, Dipartimento Prevenz, I-30174 Venice, Italy
[11] Az ULSS5, SIAN, Dipartimento Prevenz, I-45100 Rovigo, Italy
[12] Azienda Osped Univ Integrata Verona, I-37126 Verona, Italy
[13] Sapienza Univ Rome, Dept Publ Hlth & Infect Dis, I-00185 Rome, Italy
[14] Univ Molise, Dept Med & Hlth Sci Vincenzo Tiberio, I-86100 Campobasso, Italy
[15] Fdn Policlin Univ A Gemelli IRCCS, Dept Woman & Child Hlth & Publ Hlth, Publ Hlth Area, I-00168 Rome, Italy