Affiliation: | 1. Department of Orthopaedics, Tianjin Medical University General Hospital, Tianjin, P. R. China;2. Key Laboratory of Immuno Microenvironment and Disease of the Educational Ministry of China, Department of Immunology, Tianjin Medical University, Tianjin, P. R. China;3. Department of Immunology, Tianjin Medical University, Tianjin, P. R. China |