[1] Sapienza Univ Rome, St Andrea Hosp, Suicide Prevent Ctr, Dept Neurosci Mental Hlth & Sensory Organs, Via Grottarossa 1035-1039, I-00189 Rome, Italy
[2] Catholic Univ, Med Sch, Dept Psychiat, I-00189 Rome, Italy
[3] Semmelweis Univ, Dept Clin & Theoret Mental Hlth, H-1086 Budapest, Hungary
[4] Semmelweis Univ, Dept Pharmacodynam, H-1086 Budapest, Hungary
[5] Natl Acad Sci, Neuropsychopharmacol & Neurochem Res Grp, H-1086 Budapest, Hungary
[6] Semmelweis Univ, H-1086 Budapest, Hungary
[7] Natl Inst Psychiat & Addict, Lab Suicide Res & Prevent, H-1135 Budapest, Hungary
[8] Aristotle Univ Thessaloniki, Dept Psychiat 3, GR-54006 Thessaloniki, Greece
[9] Icahn Sch Med Mt Sinai, Dept Psychiat, New York, NY 10029 USA
[10] Univ Genoa, Sect Psychiat, Dept Neurosci Rehabil Ophthalmol Genet Maternal &, I-16146 Genoa, Italy