1. Department of Health, Division of Physiotherapy, Bern University of Applied Sciences, Bern, Switzerland;
2. School of Health Sciences, Physiotherapy, HES-SO Valais-Wallis, Leukerbad, Switzerland;
3. Department of Sport, Exercise, and Health, Division of Sports and Exercise Medicine, University of Basel, Basel, Switzerland;
4. Institute of Human Movement Sciences and Sport, Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland;
5. Division of Physiotherapy, Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Stockholm, Sweden;
6. Akademie für Trainingslehre und Physiotherapie, Grenzach-Wyhlen, Germany;
7. Faculty of Physical Education and Physiotherapy, Vrije Universeit Brussel, Brussels, Belgium