1. Department of Orthopaedic Surgery, Tianjin Hongqiao Hospital, Tianjin, P.R. China
2. Department of Immunology, Tianjin Cancer Institute and Hospital, Tianjin Medical University, P.R. China
3. National Clinical Research Center of Cancer, P.R. China
4. Key Laboratory of Cancer Immunology and Biotherapy, Tianjin, P.R. China
5. Immunology Program at the H. Lee Moffitt Cancer Center, Tampa, FL, USA