1. Department of Psychiatry, Psychotherapy and Psychosomatics University of Zürich, Faculty of Medicine, Psychiatric University Hospital of Zurich Zurich Switzerland
2. Department of Psychiatry, ISPA, INEUROPA, CIBERSAM University of Oviedo, Faculty of Medicine Oviedo Spain
3. Department of General Psychiatry, Center of Psychosocial Medicine, University of Heidelberg University of Heidelberg Heidelberg Germany
4. Departmet of Psychiatry and Psychotherapy Klinikum am Weissenhof Weinsberg Germany