1. Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing, China.
2. Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing, China.
3. Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland.
4. Christine Kühne-Center for Allergy Research and Education, Davos, Switzerland.