1. Allergy Center, Otorhinolaryngology Hospital, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
2. Department of Otolaryngology, The First Affiliated Hospital of Nanchang University, Nanchang, China.
3. Department of Otolaryngology, PLA General Hospital, Beijing, China.
4. Department of Otolaryngology, the First Affiliated Hospital of Shenzhen University, Shenzhen, China.
5. Department of Otolaryngology, Head and Neck Surgery, Xinhua Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.