1. Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Department of Otolaryngology‐Head and Neck Surgery, Sun Yat‐sen Memorial Hospital Sun Yat‐sen University Guangzhou People's Republic of China
2. Department of Pathology, Sun Yat‐sen Memorial Hospital Sun Yat‐sen University Guangzhou People's Republic of China
3. Department of Pathology, the Seventh affiliated Hospital Sun Yat‐sen University Shenzhen People's Republic of China