1. O.M. Katalinic, BAppSc(Physiotherapy), is Physiotherapist, Rehabilitation Studies Unit, Northern Clinical School, Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia. This systematic review was done in partial fulfillment of the requirements for Mr Katalinic's Master of Philosophy (MPhil) degree, Sydney Medical School, University of Sydney.
2. L.A. Harvey, BAppSc(Physiotherapy), GradDipAppSc(ExSpSc), MAppSc(Physiotherapy), PhD, is Associate Professor, Rehabilitation Studies Unit, Northern Clinical School, Sydney Medical School, University of Sydney, PO Box 6 Ryde, New South Wales, 2112, Australia.
3. R.D. Herbert, BAppSc(Physiotherapy), MAppSc(ExSpSc), PhD, is Associate Professor, Musculoskeletal Division, The George Institute for Global Health, Sydney, New South Wales, Australia.