1. Allergy Department, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, PR China
2. Peking Union Medical College, Beijing Key Laboratory of Precision Medicine for Diagnosis and Treatment of Allergic Disease, Beijing, PR China
3. National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Beijing, PR China
4. Allergy Department, Children’s Hospital Affiliated to Capital Institute of Pediatrics, Beijing, PR China