1 Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, China.
2 Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, Xiamen, China gshi@xmu.edu.cn liuyuan@xmu.edu.cn.
3 Department of Science & Technology, Xiamen Key Laboratory of Rheumatology and Clinical Immunology, Xiamen, China.