1. Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
2. Mood Disorders Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
3. Faculty of Medicine, Vita-Salute San Raffaele University, 20132 Milan, Italy
4. Faculty of Psychology, Vita-Salute San Raffaele University, 20132 Milan, Italy