1. Department of Anesthesiology & Intensive Care Medicine, Faculty of Medicine, Philipps University of Marburg, 35032 Marburg, Germany
2. Research Group Medical Ethics, Faculty of Medicine, Philipps University of Marburg, 35032 Marburg, Germany
3. Department of Dermatology and Allergology, Faculty of Medicine, Philipps University of Marburg, 35032 Marburg, Germany
4. Department of Therapy Somatic, Klinikum Bremen-Ost, 28325 Bremen, Germany