1. Department of Public Health and Primary Care; Health Services and Nursing Research; KU Leuven, Leuven Belgium
2. Vzw Rusthuizen Zusters van Berlaar; Berlaar Belgium
3. Neuroscience Research Australia; University of New South Wales; Sydney Australia
4. Rehabilitation Sciences and Physiotherapy; Ghent University; Ghent Belgium
5. Institute of Nursing Science; University of Basel; Basel Switzerland
6. Unit for Osteoporosis and Metabolic Bone Disease; Department of Rheumatology and Endocrinology; Ghent University Hospital; Ghent Belgium
7. Domus Medica; Society of Flemish General Practitioners; Antwerpen Belgium
8. Division of Geriatric Medicine; University Hospitals Leuven; Leuven Belgium