1. Department of Psychiatry; Schlosspark-Hospital; Berlin Germany
2. Department of Psychiatry and Psychotherapy; University Hospital; Technische Universität Dresden; Dresden Germany
3. Department of Psychiatry and Psychotherapy; Charité University Medicine; St Hedwig-Krankenhaus; Berlin Germany
4. Department of Emergency Medicine; Inselspital; Bern University Hospital and University of Bern; Bern Switzerland
5. Department of Psychiatry and Psychotherapy; University of Cologne Medical School; Cologne Germany