Published on in Vol 7, No 1 (2019): January
1 Department of Orthopedics, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
2 Department of Physiotherapy, Martini Hospital Groningen, Groningen, Netherlands
3 Department of Orthopedics, Martini Hospital Groningen, Groningen, Netherlands
4 Department of Orthopedics, Medical Center Leeuwarden, Leeuwarden, Netherlands
5 Department of Personal Health, Philips Research, Eindhoven, Netherlands
6 University of Trento, Trento, Italy
7 Institute of Movement and Sport Gerontology, German Sport University Cologne, Cologne, Germany