1. Department of Psychiatry, Psychotherapy and Psychosomatics, Ludwig-Maximilians University Munich, Nußbaumstraße 7, 80336 Munich, Germany
2. Department of General, Visceral, Transplantation, Vascular, and Thoracic Surgery, Ludwig-Maximilians University Munich, Marchioninistraße 15, 81377 Munich, Germany
3. KBO Heckscher Clinic for Childhood and Adolescent Psychiatry, Deisenhofener Straße 28, 81539 Munich, Germany
4. Privatklinik Meiringen, Willigen, 3860 Meiringen, Switzerland