[1] Univ Geneva UNIGE, Dept Psychiat, Fac Med, Geneva, Switzerland
[2] ASO St Antonio & Biagio & Cesare Arrigo Hosp, Dept Psychiat, Alessandria, Italy
[3] Univ Genoa, Dept Neurosci Rehabil Ophthalmol Genet Maternal &, Sect Psychiat, Genoa, Italy
[4] IRCCS Osped Policlin San Martino, Dept Psychiat, Genoa, Italy
[5] Tufts Med Ctr, Mood Disorders Program, Boston, MA 02111 USA
[6] Univ Geneva UNIGE, Fac Psychol, Geneva, Switzerland
[7] Geneva Univ Hosp, Dept Psychiat, Emergency Psychiat Unit, Geneva, Switzerland
[8] Geneva Univ Hosp, Emergency Dept, Geneva, Switzerland
[9] Geneva Univ Hosp, Serv Liaison Psychiat & Crisis Intervent, Dept Psychiat, Geneva, Switzerland
[10] Lausanne Univ Hosp, Dept Psychiat, Lausanne, Switzerland
[11] McGill Univ, McGill Grp Suicide Studies, Montreal, PQ, Canada
[12] Sapienza Univ Rome, St Andrea Hosp, Suicide Prevent Ctr, Dept Neurosci Mental Hlth & Sensory Organs, Rome, Italy