Corresponding Author

Department of Otolaryngology, Tenri Hospital, Nara, Japan

Department of Otolaryngology - Head and Neck Surgery, School of Medicine, Fujita Health University, Toyoake, Aichi, Japan

Corresponding author:

Ryusuke Hori, MD, PhD, Department of Otolaryngology - Head and Neck Surgery, School of Medicine, Fujita Health University, 1-98, Dengakugakubo, Kutsukake-cho, Toyoake, Aichi 470-1192 Japan, Tel: +81-562-93-9291, Fax: +81-562-93-1825

E-mail: ryusuke.hori@fujita-hu.ac.jp