1. University of Siena School of Medicine, Department of Neuroscience, Viale Bracci 1, 53100 Siena, Italy ; ;
2. Hospital Dr R Lafora, Department of Psychiatry, Madrid, Spain
3. Justus Liebig University School of Medicine, Centre for Psychiatry and Psychotherapy, Giessen, Germany
4. Aurora Psychiatric Hospital, Helsinki, Finland
5. Hospital Santa Maria, Psychiatry Department, Lisbon, Portugal
6. Hospital del Sureste, Psychiatric Section, Madrid, Spain
7. Evangelismos General Hospital, Department of Psychiatry, Athens, Greece
8. Central Institute of Mental Health, Department of Psychiatry and Psychotherapy, Mannheim, Germany
9. University of L'Aquila, Department of Experimental Medicine, L'Aquila, Italy