[1] Univ Roma La Sapienza, St Andrea Hosp, Suicide Prevent Ctr, Dept Neurosci Mental Hlth & Sensory Funct, I-00189 Rome, Italy
[2] Harvard Univ, McLean Hosp, Sch Med, Belmont, MA USA
[3] Univ Roma La Sapienza, St Andrea Hosp, Dept Neurosci Mental Hlth & Sensory Organs, I-00189 Rome, Italy
[4] Univ Roma Tor Vergata, Div Psychiat, Dept Neurosci, Rome, Italy
[5] Univ G dAnnunzio, Neurosci & Imaging Dept, Chieti, Italy
[6] Dept Psychiat, Bolzano, Italy
[7] Univ Parma, Dept Neurosci, Div Psychiat, I-43100 Parma, Italy
[8] Richard Stockton Coll New Jersey, Pomona, NJ USA
[9] Univ Munich, Dept Psychiat, D-8000 Munich, Germany
[10] Univ Roma La Sapienza, Dept Psychiat & Psychol Med, I-00189 Rome, Italy