1 Department of Allergy, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
2 State Key Laboratory of Complex Severe and Rare Diseases, Beijing 100730, China.
3 National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Beijing 100730, China.
4 Department of Epidemiology and Biostatistics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, Beijing 100005, China.