1. Division of Spine Surgery Department of Orthopaedics Nanfang HospitalSouthern Medical University Guangzhou China
2. Department of Comprehensive Medical Treatment Ward Nanfang HospitalSouthern Medical University Guangzhou China
3. Division of Spine Surgery Department of Orthopaedics Guangzhou First People's Hospital, School of Medicine, South China University of Technology Guangzhou China
4. Department of General Surgery Nanfang HospitalSouthern Medical University Guangzhou China