1. Center for Human Movement Sciences, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
2. Faculty of Physical Activity and Health, Saxion University of Applied Sciences, Enschede, The Netherlands
3. Radboud University Medical Centre, Radboud Institute for Health Sciences, IQhealthcare, Nijmegen, The Netherlands
4. Sports Science and Medical Committee, International Table Tennis Federation, Lausanne, Switzerland