1. Department of Orthopaedics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
2. Division of Pediatric Surgery, Department of Surgery, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
3. Center for Clinical Epidemiology and Clinical Statistics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
4. Department of Family Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
5. Musculoskeletal Science and Translational Research (MSTR), Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
6. Department of Orthopaedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.