1. Division of Rheumatology, Huashan Hospital, Fudan University, 12 Wulumuqi Zhong Road, Shanghai 200040, China
2. Institute of Rheumatology, Immunology and Allergy, Fudan University, Shanghai 200040, China
3. Ministry of Education Key Laboratory of Contemporary Anthropology and State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai 200433, China
4. Department of Pancreatic Surgery, Pancreatic Disease Institute, Huashan Hospital, Fudan University, Shanghai 200040, China
5. Department of Human Anatomy, Histology and Embryology, Shanghai Medical College, Fudan University, Shanghai 200032, China
6. Department of Neurology and Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA 02129, USA
7. Division of Rheumatology and Clinical Immunogenetics, Department of Internal Medicine, The University of Texas Medical School, Houston, TX 77030, USA
8. Department of Clinical Laboratory, Huashan Hospital, Fudan University, Shanghai 200040, China
9. Department of Neurology, Huashan Hospital, Fudan University, Shanghai 200040, China