1. Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
2. Department of Neurosurgery, Ningbo Medical Center Lihuili Eastern Hospital, Taipei Medical University Ningbo Medical Center, Ningbo, Zhejiang, China
3. Department of Orthopaedic Surgery’s Spine Division, The Affiliated Hospital of Medical School of Ningbo University, Ningbo, Zhejiang, China