[1] Sapienza Univ Rome, St Andrea Hosp, Suicide Prevent Ctr, Dept Neurosci Mental Hlth & Sensory Organs, Via Grottarossa 1035, I-00189 Rome, Italy
[2] McLean Hosp, Mailman Res Ctr, Int Consortium Mood & Psychot Disorders Res, Belmont, MA 02178 USA
[3] Harvard Med Sch, Dept Psychiat, Boston, MA USA
[4] European Univ Rome, Dept Human Sci, Rome, Italy
[5] Queens Univ, Dept Psychiat, Kingston, ON, Canada
[6] Semmelweis Univ, Kutvolgyi Clin Ctr, Dept Psychiat & Psychotherapy, Budapest, Hungary
[7] Semmelweis Univ, Dept Pharmacol & Pharmacotherapy, Natl Inst Psychiat & Addictol, Lab Suicide Prevent & Res, Budapest, Hungary
[8] Semmelweis Univ, Hungarian Acad Sci, MTA SE Neurochem & Neuropsychopharmacol Res Grp, Budapest, Hungary
[9] Emory Univ, Sch Med, Dept Psychiat & Behav Sci, Atlanta, GA USA
[10] Univ Genoa, Dept Neurosci Ophthalmol Genet & Infant Maternal, Sect Psychiat, Genoa, Italy
[11] Univ Campania Luigi Vanvitelli, Dept Psychiat, Naples, Italy