1. Gerontology Department and Frailty in Aging Research Group, Vrije Universiteit Brussel, Brussels, Belgium
2. Geriatrics Department, Universitair Ziekenhuis Brussel, Brussels, Belgium
3. Department of Occupational Therapy, Artevelde University of Applied Sciences, Ghent, Belgium
4. Department of Rehabilitation Sciences, Occupational Therapy, University of Ghent, Ghent, Belgium