1. Center for Rare Disease, Department of Rheumatology and Immunology, Peking University Third Hospital , Beijing, China
2. Department of Clinical Medicine, Peking University , Beijing, China
3. President of the Organization, Chinese Organization for Scleroderma , Chengdu, China
4. Patient Service Department, Chinese Organization for Scleroderma , Chengdu, China
5. State Key Laboratory of Female Fertility Promotion, Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital , Beijing, China
6. Research Center of Clinical Epidemiology, Peking University Third Hospital , Beijing, China