University of Oslo - National Centre for Suicide Research and Prevention, University of Buenos Aires (UBA) - Institute of Pharmacology, Government of the United States of America - Section on the Neurobiology and Treatment of Mood Disorders, Columbia University - Department of Psychiatry, Tel Aviv University - Geha Mental Health Center, Tel Aviv University - Shalvata Mental Health Center, Lev Hasharon Mental Health Center, Tel Aviv Sourasky Medical Centre - Department of Psychiatry, New York State Psychiatric Institute (NYSPI) - Molecular Imaging and Neuropathology Division, Columbia University - Department of Psychiatry and Tel Aviv University - Sackler Faculty of Medicine