1. Department of Anaesthesiology and Intensive Care Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.
2. Department of Anaesthesiology, Ludwig-Maximilians-University Munich, Munich, Germany.
3. Department of Laboratory Medicine, Hospital Voecklabruck, Voecklabruck, Austria.
4. Eurac Research, Institute of Mountain Emergency Medicine, Bolzano, Italy.
5. Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy.
6. Institute for Sports Medicine, Alpine Medicine and Health Tourism (ISAG), UMIT TIROL—Private University for Health Sciences and Health Technology, Hall in Tirol, Austria.
7. Department of Anesthesia, Intensive Care Medicine, Emergency Medicine and Pain Therapy, University Hospital, Carl-von-Ossietzky University Oldenburg, Klinikum Oldenburg AöR, Oldenburg, Germany.