1. Department of Orthopaedics, Qilu Hospital, Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, People’s Republic of China
2. Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, People’s Republic of China
3. Department of Orthopaedics, Tianjin Medical University General Hospital, International Science and Technology Cooperation Base of Spinal Cord Injury, Tianjin Key Laboratory of Spine and Spinal Cord, Tianjin, People’s Republic of China
4. The Second Hospital of Shandong University, Jinan, Shandong, People’s Republic of China
5. Laboratory of Epidemiology, Tianjin Neurological Institute, Department of Neurology, Tianjin Medical University General Hospital & Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-repair and Regeneration in Central Nervous System, Ministry of Education and Tianjin City, Tianjin, People’s Republic of China
6. Faculty of Medicine and Health, University of Sydney, Institute of Bone and Joint Research, The Kolling Institute, Sydney, Australia