1. National Centre of Nordic-Ski, Research and Performance, Premanon, France
2. Université de Franche-comte, Besancon, France
3. Clinical Research Methods Center, University Hospital of Besançon, Besançon, France
4. University Hospital of Besançon, Research Unit UMR6249, Chrono-Environment, Besançon, France
5. Culture Sport Health Society and Exercise Performance, Health, University of Franche-Comté,Innovation Platform, Besançon, France
6. French Ski Federation, 50 rue des Marquisats, Annecy, France
7. Institute of Sport Sciences and Physical Education (ISSUL), University of Lausanne, Lausanne, Switzerland