1. Medical Commission of the International Mountaineering and Climbing Federation (Union Internationale des Associations d’Alpinisme (UIAA MedCom), Bern, Switzerland
2. Institute for Occupational, Social & Environmental Medicine, RWTH Aachen Technical University, Aachen, Germany
3. Royal Free London NHS Foundation Trust, London, UK
4. Department of Trauma and Orthopedic Surgery, Klinikum Bamberg, Bamberg, Germany
5. Department of Trauma Surgery, Friedrich Alexander University Erlangen-Nuremberg, Nuremberg, Germany