1. Division of Rheumatology, Huashan Hospital, Fudan University, 12 Wulumuqizhong Road, Shanghai 200040, China
2. Institute of Rheumatology, Immunology and Allergy, Shanghai Medical College, Fudan University, Huashan Hospital, Shanghai 200040, China
3. Department of Dermatology, Zhongshan Hospital, Fudan University, Shanghai 200032, China