| Affiliation: | 1. Department of Anesthesiology, Shengjing Hospital, China Medical University, Shenyang, China;2. Spine Research Institute, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China;3. Department of Orthopaedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China;4. Department of Orthopaedic Surgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana;5. Department of Orthopaedic Surgery, Anhui Provincial Hospital, Hefei, Anhui, China |
