1. Department of Otorhinolaryngology, Hangzhou First People’s Hospital, Hangzhou, PR China;
2. Department of Pathology, Yancheng Hospital Affiliated Southeast University, Yancheng, PR China;
3. Department of Medical Oncology, Jiaxing Key Subject of Medicine 04-F-14, The First Hospital of Jiaxing, Jiaxing, PR China;
4. Department of Oncology, Zhejiang Hospital, Hangzhou, PR China