1. Department of Orthopaedics, Qilu Hospital, Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
2. Department of Cell Biology, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
3. School of Health and Life Sciences, University of Health and Rehabilitation Sciences, Qingdao, Shandong, China
4. The Institute for Tissue Engineering and Regenerative Medicine, Liaocheng University/The Liaocheng People’s Hospital, Liaocheng, Shandong, China
5. Shandong Research Institute of Industrial Technology, Jinan, Shandong, China
6. Department of Orthopaedics, International Science and Technology Cooperation Base of Spinal Cord Injury, Tianjin Key Laboratory of Spine and Spinal Cord, Tianjin Medical University General Hospital, Tianjin, China
7. Department of Orthopaedics, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China