1. Department of Rehabilitation Medicine, VU University Medical Center, Amsterdam Movement Sciences, Academic Medical Center, Amsterdam, The Netherlands
2. Amsterdam Rehabilitation Research Center, Academic Medical Center, Amsterdam, The Netherlands
3. Department of Radiology and Nuclear Medicine, Musculoskeletal Imaging Quantification Center, Academic Medical Center, Amsterdam, The Netherlands
4. Centre for Health, Exercise and Sports Medicine, Department of Physiotherapy, University of Melbourne, Melbourne, Victoria, Australia
5. Jan van Breemen Research Institute, VU University Medical Center, Amsterdam
6. Amsterdam Rheumatology & Immunology Centre, Amsterdam Medical Center, Reade, VU University Medical Center, Amsterdam
7. Delft University of Technology, Delft, The Netherlands
8. Department of Psychiatry, VU University Medical Center, Amsterdam, The Netherlands