1. Department of Sport Science, Universität Innsbruck, Innsbruck, Austria;
2. Austrian Society of Alpine and High-Altitude Medicine, Mieming, Austria;
3. Institute for Sport Medicine, Alpine Medicine and Health Tourism (ISAG), Private University for Health Sciences, Medical Informatics and Technology (UMIT Tirol), Tirol, Austria;
4. Institute of Mountain Emergency Medicine, Eurac Research, Bolzano, Italy;
5. Faculty of Kinesiology, Sport and Recreation, College of Health Sciences, University of Alberta, Edmonton, Alberta, Canada; and
6. Institute for Sport Medicine, Alpine Medicine anad Health Tourism (ISAG), Tirol Kliniken GmbH, Innsbruck, Austria