| Affiliation: | 1. Department of Orthopaedics, Featured Medical Center of Chinese People's Armed Police Forces, Tianjing, China Department of Orthopaedics, The Third Medical Center of Chinese PLA General Hospital, Beijing, China;2. Department of Orthopaedics, The Third Medical Center of Chinese PLA General Hospital, Beijing, China;3. Department of Orthopaedics, Beijing 304th Hospital, Beijing, China;4. Spine Center, Department of Orthopaedics, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai, China |
