1. Department of Otolaryngology Head and Neck Surgery China‐Japan Union Hospital of Jilin University Changchun China
2. Department of Lymph and Vascular Surgery China‐Japan Union Hospital of Jilin University Changchun China
3. Department of Rehabilitation China‐Japan Union Hospital of Jilin University Changchun China
4. Department of Radiotherapy China‐Japan Union Hospital of Jilin University Changchun China