1. Department of Neurosciences, Mental Health and Sensory Organs, Suicide Prevention Center, Sant'Andrea Hospital, Sapienza University of Rome, Italy, Rome, Italy
2. International Consortium for Mood and Psychotic Disorder Research, Mailman Research Center, McLean Hospital, Belmont, MA, USA
3. Psychiatry Residency Training Program, Faculty of Medicine and Psychology, Sapienza University of Rome, Rome, Italy
4. Department of Psychiatry, Harvard Medical School, Boston, MA, USA