1. Department of Respiratory and Critical Care Medicine, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
2. Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
3. Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing 100005, China
4. Department of Allergy, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
5. Research Unit of Diagnosis and Treatment of Chronic Nasal Diseases, Chinese Academy of Medical Sciences, Beijing 100730, China