[1] Univ Perugia, Div Psychiatry Clin Psychol & Rehabil, Dept Med, Santa Maria Misericordia Hosp, Perugia, Italy
[2] Hosp Clin Barcelona, Bipolar Disorders Unit, Inst Neurosci, IDIBAPS CIBERSAM, Barcelona, Spain
[3] ASST Papa Giovanni XXIII, USC Psichiatria 1, Dept Mental Hlth, Bergamo, Italy
[4] Univ Aldo Moro, Dipartimento Med Base Neurosci & Organi Senso, UOC Psichiatria Univ, Bari, Italy
[5] Univ Perugia, Funct Area Psychiat, AUSL Umbria 2, Serv Psichiatr Diagnosi & Cura Osped,S Giovanni B, Foligno, PG, Italy