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. Department of Molecular Medicine, University of Siena, Siena, Italy
4. Mood Disorders Program, Tufs Medical center, Boston, MA, USA
5. Rita Levi Montalcini Department of Neuroscience, University of Turin, University Hospital San Luigi Gonzaga, Turin, Italy
6. Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy