1. Department of Physiotherapy, Human Physiology and Anatomy (KIMA), Rehabilitation Research (RERE), Vrije Universiteit Brussel, Brussel, Belgium
2. Department of Biostatistics and Medical Informatics, Vrije Universiteit Brussel, Brussel, Belgium
3. Frailty in Ageing Research Department, Vrije Universiteit Brussel, Brussels, Belgium
4. Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Belgium
5. Department of Public Health, Vrije Universiteit Brussel, Brussel, Belgium