[1] Univ Otago, Ctr Musculoskeletal Outcomes Res, Dept Surg Sci, Dunedin, New Zealand
[2] Univ Sydney, Fac Med & Hlth, Sch Publ Hlth, Sydney, Australia
[3] Univ New South Wales, Fac Med & Hlth, Sch Hlth Sci, Dept Exercise Physiol, Sydney, Australia
[4] Neurosci Res Australia NeuRA, Ctr Pain IMPACT, Sydney, Australia
[5] Kathmandu Med Coll & Teaching Hosp, Dept Physiotherapy, Kathmandu, Nepal
[6] Univ Otago, Dept Gen Practice & Rural Hlth, Dunedin, New Zealand
[7] Kathmandu Univ, Sch Med Sci, Dept Physiotherapy, Dhulikhel, Nepal
[8] Univ Sydney, Sch Publ Hlth, Dept Clin Epidemiol, Edward Ford Bldg A27, Fisher Rd, Camperdown, NSW 2006, Australia