1. Department of Psychiatry and Psychotherapy Ludwig Maximilian University Munich Germany
2. Psychiatric Private Hospital Sanatorium Kilchberg Zurich Switzerland
3. Department of Psychiatry, Social Psychiatry and Psychotherapy Hannover Medical School Hannover Germany
4. University Hospital of Psychiatry and Psychotherapy University of Bern Switzerland
5. Institute for Response‐Genetics Psychiatric University Hospital (KPPP) Zurich Switzerland
6. Department of Psychiatry and Psychotherapy St. Marien‐Hospital University Witten/Herdecke Hamm Germany