[1] Univ South Australia, Dept Rural Hlth, Adelaide, SA, Australia
[2] Univ Technol Sydney, Fac Hlth, ARCCIM, Sydney, NSW, Australia
[3] Karolinska Inst, Inst Environm Med, Musculoskeletal & Sports Injury Epidemiol Ctr MUS, Stockholm, Sweden
[4] Victoria Univ, Coll Hlth & Biomed, Melbourne, Vic, Australia
[5] Greenwich Hosp, Dept Pain Management, Sydney, NSW, Australia
[6] Univ Coll Osteopathy, London, England
[7] Ctr Osteopath Med Collaborat COME, Clin Based Human Res Dept, Pescara, Italy