1. Dipartimento di Medicina Clinica e Sperimentale, Section of Psychiatry; University of Pisa; Pisa Italy
2. Rita Levi Montalcini Department of Neuroscience; University of Turin, and San Luigi Gonzaga Hospital, Orbassano; Turin Italy
3. Dipartimento di Fisiopatologia-Medico Chirurgica e dei Trapianti; Università degli Studi di Milano, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico
4. Department of Psychiatry and Behavioral Sciences; Stanford University; Stanford CA USA
5. Istituto di Psicopatologia; Rome Italy
6. Department of Psychiatry, Sydney Medical School Nepean; The University of Sydney; Sydney NSW Australia