1. University of Verona; Neuroscience, Biomedicine and Movement Sciences, Section of Psychiatry; Verona Italy
2. University of Oxford; Department of Psychiatry; Warneford Hospital Oxford UK OX3 7JX
3. Kyoto University Graduate School of Medicine/School of Public Health; Department of Health Promotion and Human Behavior; Yoshida Konoe-cho, Sakyo-ku, Kyoto Japan 606-8501
4. University of Verona; Department of Public Health and Community Medicine, Section of Psychiatry; Policlinico "G.B.Rossi" Piazzale L.A. Scuro, 10 Verona Italy 37134
5. Western University; Department of Psychiatry; Saint Thomas Elgin General Hospital 189 Elm Street St Thomas ON Canada N5R 5C4
6. Ulm University; Department of Psychiatry II; Ludwig-Heilmeyer-Str. 2 Guenzburg Germany D-89312