1. Department of Head and Neck Surgery Third Affiliated Hospital of Kunming Medical University Kunming People's Republic of China
2. Department of Pathology Third Affiliated Hospital of Kunming Medical University Kunming People's Republic of China
3. Department of Pharmacology Kunming Medical University Kunming People's Republic of China
4. Department of Radiation Oncology Third Affiliated Hospital of Kunming Medical University Kunming People's Republic of China