1. Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China.
2. Department of Orthopaedic Surgery, The Fourth Affiliated Hospital of Zhejiang University, Yiwu, China.
3. Xiang Yang Central Hospital, Affiliated Hospital of Hubei University of Art and Science, Xiang Yang, China.
4. Department of Histology and Embryology, Southern Medical University, Guangzhou, China.
5. Key Laboratory of Tissue Construction and Detection of Guangdong Province, Guangzhou, China.
6. Institute of Bone Biology, Academy of Orthopaedics, Guangdong Province, Guangzhou, China.