1. Department of Orthopaedics and Traumatology; Nanfang Hospital, Southern Medical University; 1838 Guangzhou Avenue (N) Guangzhou 510515 China
2. Department of Orthopedics; Zhengzhou Orthopedics Hospital; 58 Longhai Road Zhengzhou 450052 China
3. Department of Rehabilitation Medicine; Longyan First Hospital; 105 Jiuyi Road (N) Longyan 364000 China
4. Department of Rehabilitation Medicine; First Affiliated Hospital, Fujian Medical University; 20 Chazhong Road Fuzhou 350005 China