1. Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
2. School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
3. VIP Inpatient Department, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
4. Laboratory of Bone Tissue Engineering, Beijing Research Institute of Orthopaedics and Traumatology, Beijing JiShuiTan Hospital, Beijing 100035, China