1 The Hong Kong Institute of Musculoskeletal Medicine, Kwoloon, Hong Kong SAR, China.
2 Department of Family Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China.
3 Department of Family Medicine, The University of Hong Kong, Pokfulam, Hong Kong SAR, China.
4 Taiwan Association of Prolotherapy and Regenerative Medicine, Taichung, Taiwan.
5 Center for Regional Anesthesia and Pain Medicine, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan.
6 Department of Physical Medicine and Rehabilitation, School of Medicine, National Defense Medical Center, Tri-Service General Hospital, Taipei, Taiwan.
7 Integrated Pain Management Center, Tri-Service General Hospital, School of Medicine, National Defense Medical Center, Taipei, Taiwan.
8 Department of Research and Development, School of Medicine, National Defense Medical Center, Tri-Service General Hospital, Taipei, Taiwan.