1. Orthopedic Institute, Medical College, Soochow University, Suzhou, Jiangsu 215006, China
2. Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215006, China
3. Suzhou Gusu District Women & Children Health Care Institution, Suzhou, Jiangsu, 215007, China
4. Huai’an First People’s Hospital, The Affiliated Huai’an No. 1 People’s Hospital of Nanjing Medical University, Huai’an, Jiangsu, 223300, China