Taisuke Kobayashi
Department of Otolaryngology, Kochi Medical School, Nankoku, Kochi, Japan
Kiyofumi Gyo
Department of Otolaryngology, Ehime University School of Medicine, To-on, Ehime, Japan
Masahiro Komori
Department of Otolaryngology, Takanoko Hospital 525-1 Takanoko, Matsuyama, Ehime, 790-0925 Japan
Yuichi Tomidokoro
Department of Otolaryngology, Ehime University School of Medicine, To-on, Ehime, Japan
