1. Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, Section of Psychiatry, University of Genoa, Genoa, Italy
2. IRCCS Ospedale Policlinico San Martino, Genoa, Italy
3. James J. Peters Veterans Administration Medical Center, 130 W. Kingsbridge Road, Bronx, NY 10468, USA
4. Department of Psychiatry, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Pl, New York, NY 10029, USA