1. Department of Physical Medicine and Rehabilitation, UZ Leuven, Campus Pellenberg, Pellenberg, Belgium
2. Department of Rehabilitation Sciences, KU Leuven, Gymnasium, Leuven, Belgium
3. Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium
4. Department of Geriatric Medicine, UZ Leuven, Leuven, Belgium