1. Department of Rheumatology and Immunology, Peking University Third Hospital , Beijing, China
2. Department of Rheumatology and Immunology, Fujian Provincial Hospital , Fuzhou, China
3. Department of Medicine, Division of Rheumatology and Immunology, Duke University , Durham, North Carolina, USA
4. Department of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong , Hong Kong, China
5. Department of Rheumatology, Allergy and Immunology, Tan Tock Seng Hospital , Singapore, Singapore
6. Beijing Kidney Health Technology Co., Ltd , Beijing, China
7. Research Center of Clinical Epidemiology, Peking University Third Hospital , Beijing, China
8. Lee Kong Chian School of Medicine, Nanyang Technological University , Singapore, Singapore