1. Research Group Healthy Ageing, Allied Health Care and Nursing, Hanze University of Applied Sciences Groningen, Groningen, the Netherlands
2. University Medical Center Groningen, Department of Health Psychology, University of Groningen, Groningen, the Netherlands
3. Department of General Practice, Intellectual Disability Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
4. Department of Physical Therapy, University of Nevada, Las Vegas, NV, USA
5. University Medical Center Groningen, Department of Rehabilitation Medicine, University of Groningen, Groningen, the Netherlands
6. Department of Inclusive and Special Needs Education, University of Groningen, Groningen, the Netherlands