[1] Capital Med Univ, Beijing Tongren Hosp, Dept Otolaryngol Head & Neck Surg, Beijing, Peoples R China
[2] Beijing Inst Otolaryngol, Beijing Municipal Educ Commiss, Beijing Lab Allerg Dis, Beijing, Peoples R China
[3] Beijing Inst Otolaryngol, Beijing Key Lab Nasal Dis, Beijing, Peoples R China
[4] Chinese Acad Med Sci, Res Unit Diag & Treatment Chron Nasal Dis, Beijing, Peoples R China
[5] Capital Med Univ, Beijing Tongren Hosp, Dept Allergy, Beijing, Peoples R China
[6] Capital Med Univ, Beijing Tongren Hosp, Dept Otolaryngol Head & Neck Surg, 1 Dongjiaominxiang, Beijing 100730, Peoples R China
[7] Capital Med Univ, Beijing Tongren Hosp, Dept Allergy, 1 Dongjiaominxiang, Beijing 100730, Peoples R China