1. Department of Psychiatry, University of Campania “L. Vanvitelli”, Naples, Italy
2. Department of Psychiatry and Psychotherapy Clinical Center, University of Debrecen, Debrecen, Hungary
3. Department of Psychiatry II, Ulm University, Ulm, Germany
4. Clienia Schlössli AG, Oetwil am See, Switzerland
5. Department of Psychiatry, Psychotherapy and Psychosomatics (KPPP), University Hospital of Psychiatry, Zurich, Switzerland
6. Department of Psychiatry and Psychotherapy, Charité University of Medicine, Berlin, Germany
7. School of Health Sciences, Institute of Mental Health, University of Nottingham, Nottingham, UK
8. Nord University, Namsos, Norway