1. School of Physiotherapy and Exercise Science, Curtin University, Perth, Western Australia, Australia
2. School of Public Health and Social Work, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
3. Centre for Functioning and Health Research, Metro South Health, Buranda, Queensland, Australia
4. School of Primary and Allied Health Care, Monash University, Clayton, Victoria, Australia
5. Healthscope and La Trobe Centre for Sport and Exercise Medicine Research, La Trobe University, Bundoora, Victoria, Australia
6. Western Australian Centre for Health & Ageing, Medical School, University of Western Australia, Crawley, Western Australia, Australia
7. Malcom Randall VA Medical Center, Geriatric Research Education and Clinical Center (GRECC), Gainesville, Florida
8. College of Medicine, University of Florida, Gainesville
9. Institute for Health Research, The University of Notre Dame Australia, Fremantle, Western Australia, Australia
10. Department of Aged Care and Rehabilitation, Armadale Kelmscott Memorial Hospital, East Metropolitan Health Service, Armadale, Western Australia, Australia
11. School of Physiotherapy, Institute for Health Research, The University of Notre Dame Australia, Fremantle, Western Australia, Australia
12. Department of Aged Care and Rehabilitation, St John of God Midland Public and Private Hospital, Midland, Western Australia, Australia