1. Department of Otolaryngology The Seventh Affiliated Hospital of Sun Yat‐Sen University Shenzhen China
2. Department of Otolaryngology The First Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
3. Center for Digestive Disease The Seventh Affiliated Hospital of Sun Yat‐Sen University Shenzhen China
4. Guangdong Provincial Key Laboratory of Digestive Cancer Research The Seventh Affiliated Hospital of Sun Yat‐Sen University Shenzhen China
5. Department of Otorhinolaryngology The University of Hong Kong‐Shenzhen Hospital Shenzhen China
6. Department of Pathology The Seventh Affiliated Hospital of Sun Yat‐Sen University Shenzhen China
7. Department of Otorhinolaryngology‐Head and Neck Surgery The Third Affiliated Hospital of Sun Yat‐Sen University Guangzhou China