1. Department of Otorhinolaryngology Qilu Hospital Shandong University Key Laboratory of Otolaryngology NHFPC (Shandong University) Shandong China
2. Department of Biostatistics The University of Texas MD Anderson Cancer Center Houston TX USA
3. Department of Otorhinolaryngology The First Affiliated Hospital of Chongqing Medical University Chongqing China
4. Department of Head and Neck Surgery The University of Texas MD Anderson Cancer Center Houston TX USA
5. Department of Otolaryngology Head and Neck Surgery The Second Hospital of Anhui Medical University Hefei China