[1] Sant Andrea Hosp, Dept Psychiat, Rome, Italy
[2] Harvard Univ, McLean Hosp, Sch Med, Cambridge, MA USA
[3] Univ Europea Roma, Rome, Italy
[4] Natl Inst Psychiat & Neurol, Budapest, Hungary
[5] Semmelweis Univ, Dept Psychiat & Psychotherapy, H-1085 Budapest, Hungary
[6] Int Mood Ctr, La Jolla, CA USA