1 Department of General Practice, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, Beijing, People's Republic of China.
2 Department of Rheumatology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Key Laboratory of Rheumatology and Clinical Immunology, State Key Laboratory of Complex Severe and Rare Diseases, Ministry of Education and National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), No.1 Shuai Fu Yuan, Dong Cheng District, Beijing, 100730, People's Republic of China.
3 Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, Beijing, People's Republic of China.
4 Department of Endocrine, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, Beijing, People's Republic of China.
5 Department of General Practice, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, State Key Laboratory of Complex Severe and Rare Diseases, Beijing, People's Republic of China. zxjpumch@126.com.
6 Department of Rheumatology, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Key Laboratory of Rheumatology and Clinical Immunology, State Key Laboratory of Complex Severe and Rare Diseases, Ministry of Education and National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), No.1 Shuai Fu Yuan, Dong Cheng District, Beijing, 100730, People's Republic of China. zhangwen91@sina.com.