1. Department of Psychiatry, Psychotherapy and Psychosomatics; Psychiatric Hospital of the University of Zurich; Zurich Switzerland
2. Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy and Psychosomatics; Psychiatric Hospital of the University of Zurich; Zurich Switzerland
3. Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana"; University of Salerno; Baronissi Italy
4. MR-Center of the Department of Psychiatry, Psychotherapy and Psychosomatics and the Department of Child and Adolescent Psychiatry; Psychiatric Hospital of the University of Zurich; Zurich Switzerland
5. Neuroscience Center Zurich; University and ETH; Zurich Switzerland