1. Department of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine From the , 145 Middle Shandong Rd, Shanghai 200001, China
2. Department of internal medicine, The Wright Center for Graduate Medical Education , Scranton, 501 South Washington Avenue, Scranton, PA 18505 USA
3. Department of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine From the , 145 Middle Shandong Rd, Shanghai 200001, China
4. Department of Dermatopathology, Shanghai Skin Disease Hospital, Tongji University School of Medicine , 200 Wuyi road, Shanghai, 200443, China
5. Department of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine From the , 145 Middle Shandong Rd, Shanghai 200001, China