1. Frailty in Ageing (FRIA) Research Department, Vrije Universiteit Brussel, Belgium
2. Gerontology Department, Vrije Universiteit Brussel, Belgium
3. Geriatrics Department, Universitair Ziekenhuis Brussel, Belgium
4. Personality and Psychopathology Research Group, Vrije Universiteit Brussel, Belgium
5. Belgian Ageing Studies Research Group, Vrije Universiteit Brussel, Belgium
6. Arteveldehogeschool, Ghent, Belgium