1. Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin 300052, People’s Republic of China
2. International Science and Technology Cooperation Base of Spinal Cord Injury, Tianjin 300052, People’s Republic of China
3. Tianjin Key Laboratory of Spine and Spinal Cord Injury, Tianjin 300052, People’s Republic of China
4. College of Electronic Information and Automation, Advanced Structural Integrity International Joint Research Center, Tianjin University of Science and Technology, Tianjin 300222, People’s Republic of China