1. Department of Rehabilitation Medicine, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
2. Institute of Spine, Shanghai University of Traditional Chinese Medicine, 725 South Wanping Road, Xuhui District, Shanghai 200032, China
3. Orthopaedics and Traumatology, Central Hospital of Shanghai Jingan District, Shanghai 200040, China
4. Orthopaedics and Traumatology, The Bund Street Community Health Service Center Whampoa District of Shanghai City, Shanghai 200001, China
5. Orthopaedics and Traumatology, Shanghai Baoshan District Dachang Town Community Health Service Center, Shanghai 200442, China
6. Orthopaedics and Traumatology, Shanghai Xuhui District Lingyun Community Health Service Center, Shanghai 200237, China