1. Department of Physiotherapy and Occupational Therapy, Aarhus University Hospital (AUH), Aarhus N., Denmark
2. Centre of Research in Rehabilitation (CORIR), Institute of Clinical Medicine, Aarhus University and AUH, Aarhus N., Denmark
3. Department of Public Health, Aarhus University, Aarhus N., Denmark
4. Department of Health Sciences, Faculty of Earth and Life Sciences, Vrije Universiteit Amsterdam, Amsterdam Public Health Research Institute, Amsterdam, Netherlands
5. Institute of Clinical Medicine, Aarhus University, Aarhus N., Denmark