1 Ultra Sports Science Foundation, 109 Boulevard de l'Europe, 69310, Pierre-Bénite, France. v.scheer@ultrasportsscience.org.
2 Institute of Respiratory Medicine and Exercise Physiology, Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Centre, Torrance, CA, USA.
3 Sports Medical Unit, HP2 Laboratory, University Grenoble Alpes, Inserm, CHU Grenoble Alpes, Grenoble, France.
4 Department of Family Medicine and Orthopedics, Division of Sports Medicine, University of Colorado School of Medicine, Denver, CO, USA.
5 Medbase St. Gallen Am Vadianplatz, St. Gallen, Switzerland.
6 Institute of Primary Care, University of Zurich, Zurich, Switzerland.
7 Silver Sage Sports and Fitness Lab, Reno, NV, USA.
8 Department of Family and Community Medicine, University of Nevada Reno School of Medicine, Reno, NV, USA.
9 Centro de Investigación y Diagnóstico en Salud y Deporte (CIDISAD), Escuela Ciencias del Movimiento Humano y Calidad de Vida (CIEMHCAVI), Universidad Nacional, Heredia, Costa Rica.