1. Department of Orthopedics, the Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan, People's Republic of China
2. The Center of Joint and Sports Medicine, Orthopedics Department, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu, People's Republic of China
3. Department of Orthopaedics, the Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People's Republic of China
4. Department of Orthopaedics, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, People's Republic of China