1. Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, School of Mechanical EngineeringTianjin University of Technology Tianjin China
2. National Demonstration Center for Experimental Mechanical and Electrical Engineering EducationTianjin University of Technology Tianjin China
3. Department of Spine SurgeryThe First Affiliated Hospital of Fujian Medical University Fuzhou Fujian China
4. Department of Spine SurgeryTianjin Hospital Tianjin China