Tian-Cong Chen1, Xue-Qiang Wang2, Xiang Chen3. 1. Department of Rehabilitation Medicine, Shanghai Shangti Orthopaedic Hospital, 188 Hengren RD, Shanghai, 200438, China. 2. School of Kinesiology, Shanghai University of Sport, 200 Henren Road, Shanghai, 200438, China. 3. The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuan Western Road, Wenzhou, 325000, Zhejiang Province, China. 516307535@qq.com.