About the Authors

Seiji Ishikawa

Affiliation Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan

Ichiro Tateya

tateya@ent.kuhp.kyoto-u.ac.jp

Affiliation Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan

Takahiro Hayasaka

Affiliation Department of Cell Biology and Anatomy, Hamamatsu University School of Medicine, Hamamatsu, Japan

Noritaka Masaki

Affiliation Department of Cell Biology and Anatomy, Hamamatsu University School of Medicine, Hamamatsu, Japan

Yoshinori Takizawa

Affiliation Department of Otolaryngology/Head and Neck Surgery, Hamamatsu University School of Medicine, Hamamatsu, Japan

Satoshi Ohno

Affiliation Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan

Tsuyoshi Kojima

Affiliation Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan

Yoshiharu Kitani

Affiliation Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan

Morimasa Kitamura

Affiliation Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan

Shigeru Hirano

Affiliation Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan

Mitsutoshi Setou

Affiliation Department of Cell Biology and Anatomy, Hamamatsu University School of Medicine, Hamamatsu, Japan

Juichi Ito

Affiliation Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SI IT TH SH MK MS. Performed the experiments: SI TH YT. Analyzed the data: SI IT TH NM MS. Contributed reagents/materials/analysis tools: SI IT SH JI TH NM YT MS. Wrote the paper: SI IT TH NM SH JI. Sample collection: SI IT SO TK YK MK SH JI.