1. Department of Rheumatology and Immunology, The Second Hospital of Tianjin Medical University, Tianjin, China
2. Department of Knee Joint, Tianjin Hospital, Tianjin, China
3. Department of Nephrology, The Second Hospital of Tianjin Medical University, Tianjin, China
4. Department of Rheumatology and Immunology, Tianjin Medical University Genenral Hospital, Tianjin, China