1. School of Physiotherapy and Exercise Science; Curtin University; Perth Western Australia Australia
2. School of Physiotherapy and Exercise Science; Curtin University and Department of Health, Government of Western Australia; Perth Australia
3. Tan Tock Seng Hospital; Singapore
4. Curtin University and Department of Health, Government of Western Australia, Perth, and Arthritis and Osteoporosis Victoria; Elsternwick Victoria Australia