1. Department of Psychiatry and Psychotherapy University of Tübingen Tübingen Germany
2. Department of Psychiatry and Psychotherapy Jena University Hospital Jena Germany
3. Leibniz Research Centre for Working Environment and Human Factors Dortmund Germany
4. Department of Radiology and Nuclear Medicine Amsterdam UMC Amsterdam The Netherlands
5. idv Data Analysis and Study Planning Gauting Germany
6. Biologische Heilmittel Heel GmbH Baden‐Baden Germany