1. Department of Orthopedics, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, Sichuan 646000, PR China
2. Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, PR China
3. Department of Orthopedics, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, PR China