1. Department of Geriatric Medicine, University Hospitals Leuven, Leuven, Belgium
2. Department of Geriatric Medicine, Jessa Hospital, Hasselt, Belgium
3. Gerontology and Geriatrics, Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium
4. Competence Center of Nursing, University Hospitals Leuven, Leuven, Belgium