1. Amsterdam Rehabilitation Research Center, Reade, and Academic Medical Center, University of Amsterdam; Amsterdam The Netherlands
2. National Institute of Public Health and the Environment, Bilthoven, Utrecht, and Wageningen University and Research Centre; Wageningen The Netherlands
3. Amsterdam Rehabilitation Research Center, Reade; Amsterdam The Netherlands
4. Jan van Breeman Research Institute, Reade; Amsterdam The Netherlands
5. Amsterdam Rehabilitation Research Center, Reade, and EMGO Institute, VU University Medical Center; Amsterdam The Netherlands
6. Academic Medical Center, University of Amsterdam; Amsterdam The Netherlands