1. Department of Pathology and Pathophysiology, School of Basic Medical Science, Kunming Medical University, Kunming 650500, China
2. Department of ENT, The First Affiliated Hospital of Kunming Medical University, Kunming 650032, China
3. Department of Head and Neck Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming 650032, China
4. Experiment Center for Medical Science Research, Kunming Medical University, Kunming 650032, China
5. Department of Head and Neck Surgery, The Third affiliated hospital of Kunming Medical University (Tumor hospital of Yunnan Province), Kunming 650032, China