1. Department of Neurosciences, Institute of Psychiatry, University of Parma, Piazza Matteotti 9, 43100 Parma, Italy
2. Department of Psychiatry, Mount Sinai School of Medicine, New York, NY 10029, USA
3. Department of Neurosciences, Mental Health and Sensory Organs, Suicide Prevention Center, Sant’Andrea Hospital, Sapienza University of Rome, 00189 Rome, Italy