1. Department of Sport Science, Division of Performance Physiology and Prevention, Universität Innsbruck, Innsbruck, Austria
2. Department of Applied Clinical Research, University of Texas Southwestern Medical Center, Dallas, Texas, United States
3. Department of Medicine, Division of Pulmonary and Critical Care, Loma Linda University, Loma Linda, California, United States
4. Cardiff School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, Wales, United Kingdom
5. Centre of Heart, Lung, and Vascular Health, School of Health and Exercise Sciences, University of British Columbia, Kelowna, British Columbia, Canada
6. Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, Alberta, Canada
7. Department of Medicine, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
8. Institute of Mountain Emergency Medicine, Eurac Research, Bolzano, Italy
9. Institute for Exercise and Environmental Medicine, Texas Health Presbyterian Dallas, Dallas, Texas, United States