1. University of Sydney; John Walsh Centre for Rehabilitation Research; Kolling Institute St. Leonards NSW Australia 2065
2. Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester; c/o Cochrane Bone, Joint and Muscle Trauma Group; 2nd Floor, Stopford Building Oxford Road Manchester UK M13 9PT
3. University of Otago; Department of Medicine, Dunedin School of Medicine; PO Box 913 Dunedin New Zealand 9054
4. Illawarra Shoalhaven Local Health Network; Rehabilitation, Aged and Extended Care; 89-91 Cowper Street Warrawong New South Wales Australia 2502
5. Curtin University; School of Physiotherapy, Faculty of Health Sciences; GPO Box U1987 Perth Western Australia Australia 6845
6. Sydney Medical School, University of Sydney; School of Public Health; Room 306, Edward Ford Building (A27) Fisher Road Sydney NSW Australia 2006
7. University of Auckland; Department of General Practice and Primary Health Care; Private Bag 92019 Auckland New Zealand