1. Department of Spine Surgery the First Affiliated Hospital of Weifang Medical University (Weifang People's Hospital) Weifang China
2. Shenzhen Key Laboratory of Musculoskeletal Tissue Reconstruction and Function Restoration, Department of Orthopedic Surgery Division of Hand& Foot and Microvascular Surgery, the First Affiliated Hospital of Southern University of Science and Technology (Shenzhen People's Hospital) Shenzhen China
3. Clinical College of Orthopedics Tianjin Medical University Tianjin China