1. Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
2. Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu 221006, P.R. China
3. Key Laboratory of Immuno Microenvironment and Disease of the Educational Ministry of China, Department of Immunology, Tianjin Medical University, Tianjin 300070, P.R. China
4. Department of Pediatrics, Kosair Children's Hospital Research Institute, University of Louisville School of Medicine, Louisville, KY 40202, USA
5. Department of Orthopedics, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
6. Department of Neuroscience and Cell Biology, University of Texas Medical Branch, Galveston, TX 77555‑1043, USA
7. School of Medicine, Nankai University, Tianjin 300071, P.R. China