Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Hamamatsu University - School of Medicine, Kanazawa University, Hamamatsu University - School of Medicine, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Kanazawa University, Hamamatsu University - School of Medicine, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Chiba University - Department of Molecular Oncology, National Institute of Infectious Diseases, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Kanazawa University - Division of Otolaryngology and Head and Neck Surgery, Kanazawa Medical Center, affiliation not provided to SSRN, Hamamatsu University - Department of Otorhinolaryngology, Head and Neck Surgery, Chiba University - Department of Molecular Oncology and Kanazawa University - Division of Otolaryngology and Head and Neck Surgery