1. Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou, China
2. Department of Orthopedics, Suzhou Municipal Hospital, Suzhou, China
3. Department of Orthopedics, Xuzhou Central Hospital, Xuzhou, China
4. Department of Orthopedics, The Affiliated Changzhou Second People’s Hospital of Nanjing Medical University, Changzhou, China