1. University Clinic for Psychiatry and Psychotherapy, Brandenburg Medical School, Rüdersdorf, Germany;
2. Department of Psychiatry and Psychotherapy, Campus Charité Mitte, Charité–Universitätsmedizin Berlin, Berlin, Germany;
3. Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany;
4. Department of Psychiatry, Ludwig–Maximilians University, Munich, Germany