[1] Univ Barcelona, Inst Neurosci, Bipolar & Depress Disorders Unit, Hosp Clin,IDIBAPS,CIBERSAM, 170 Villarroel St 12-0, E-08036 Barcelona, Spain
[2] Univ Bologna, Dept Biomed & Neuromotor Sci, Bologna, Italy
[3] Univ Perugia, Div Psychiat Clin Psychol & Rehabil, Dept Med, Santa Maria della Misericordia Hosp, Ellisse Bldg,8th Floor, I-06132 Perugia, Italy
[4] FIDMAG Germanes Hosp Res Fdn, FIDMAG, C Dr Pujades 38, Barcelona 08830, Spain
[5] Univ Clermont Auvergne, CHU Clermont Ferrand, Dept Psychiat, EA 7280, 58 Rue Montalembert, F-63000 Clermont Ferrand, France
[6] Chaim Sheba Med Ctr, Psychiat B, Ramat Gan, Israel
[7] Psychiat Pole St Marguerite, AP HM, Sychiatr Pole St Marguerite, Marseille, France
[8] Univ Zurich, Dept Psychiat Psychotherapy & Psychosomat, Psychiat Hosp, Zurich, Switzerland
[9] Univ Texas Hlth Sci Ctr San Antonio, Dept Psychiat, San Antonio, TX 78229 USA
[10] Moscow Res Inst Psychiat, Dept Therapy Mental Disorders, Moscow, Russia
[11] Kings Coll London, Inst Psychiat Psychol & Neurosci, Ctr Affect Disorders, Dept Psychol Med, London, England
[12] Univ Pisa, Sect Psychiat, Dept Expt & Clin Med, Via Roma 67, I-56100 Pisa, Italy