1. Department of Anaesthesiology; Emergency and Intensive Care Medicine; University Medical Centre; Göttingen Germany
2. Medical Faculty of the University of Göttingen; Göttingen Germany
3. Georg-Elias-Müller Institute for Psychology; Georg-August University; Göttingen Germany
4. Department of Anaesthesiology; Intensive Care Medicine and Emergency Medicine; Augusta-Kranken-Anstalt; Bochum Germany