Erratum to: Soc Psychiatry Psychiatr Epidemiol DOI 10.1007/s00127-012-0511-z

Due to an unfortunate error, the names of all authors have been published in the incorrect order both in the author list and affiliation of the original publication. The corrected author list is given below:

Matteo Balestrieri, Miriam Isola, Giulia Bisoffi, Salvatore Calò, Anita Conforti, Lorenza Driul, Diego Marchesoni, Paola Petrosemolo, Michela Rossi, Adriana Zito, Stefania Zorzenone, Guido Di Sciascio, Roberto Leone, Cesario Bellantuono.