1. Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, Orthopaedic Department of Tongji Hospital, School of Medicine, School of Life Sciences and Technology, Tongji University, Shanghai, China.
2. Division of Spine, Department of Orthopedics, Tongji Hospital, Tongji University School of Medicine, Tongji University, Shanghai, China.
3. Department of Pediatrics, West China Second Hospital, Sichuan University, Sichuan, China.
4. Clinical Center for Brain and Spinal Cord Research, Tongji University, Shanghai, China.