1 Department of Rheumatology and Clinical Immunology, Jiangxi Provincial People's Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China.
2 Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
3 Department of Medicine, University of Florida, FL, Gainesville, United States.
4 Division of Rheumatology, Huashan Hospital, Fudan University, Shanghai, China.