1 Department of Otorhinolaryngology Head and Neck Surgery, Children's Hospital Affiliated to Zhengzhou University, Henan children's hospital, Zhengzhou 450000, China.
2 Medical Imaging Radiology Department, Children's Hospital Affiliated to Zhengzhou University, Henan children's hospital, Zhengzhou 450000, China.
3 Department of Otorhinolaryngology Head and Neck Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China.