1. Department of Psychiatry and Psychotherapy, Campus Benjamin Franklin, Charité, Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
2. Department of Psychosomatic Medicine, University Medicine Rostock, Rostock, Germany
3. Department of Psychiatry and Psychotherapy, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
4. Vagelos School of Physicians and Surgeons, Department of Emergency Medicine, Columbia University Irving Medical Center, New York, NY, USA