| Affiliation: | 1. Centre of Academic Primary Care, University of Aberdeen, , Aberdeen, UK;2. College of Nursing and Health Sciences, University of Massachusetts Boston, , Boston, Massachusetts;3. Division of General Medicine and Primary Care, Beth Israel Deaconess Medical Center, , Boston, Massachusetts;4. Department of Medicine, Harvard Medical School, , Boston, Massachusetts;5. Division of Rheumatology, Beth Israel Deaconess Medical Center, , Boston, Massachusetts;6. Institute for Aging Research, Hebrew SeniorLife, , Boston, Massachusetts;7. Spaulding Rehabilitation Hospital, , Boston, Massachusetts;8. Department of Physical Medicine and Rehabilitation, Harvard Medical School, , Boston, Massachusetts;9. School of Health and Social Care, University of Greenwich, , Greenwich, UK |
