1. Unit of Epidemiology and Social Psychiatry, ‘Mario Negri’ Institute for Pharmacological Research, Via Eritrea 62, 20157, Milan, Italy
2. Dipartimento di Salute Mentale, Ospedale Niguarda Ca' Granda, Milan, Italy
3. Servizio Psichiatrico di Diagnosi e Cura, Ospedale di Desio, Milan, Italy