About the Authors

Mitsuyoshi Urashima

urashima@jikei.ac.jp

Affiliation Division of Molecular Epidemiology, Jikei University School of Medicine, Tokyo, Japan

Takanori Hama

Affiliations Division of Molecular Epidemiology, Jikei University School of Medicine, Tokyo, Japan, Department of Oto-Rhino-Laryngology, Jikei University School of Medicine, Tokyo, Japan

Toshihito Suda

Affiliation Department of Oto-Rhino-Laryngology, Jikei University School of Medicine, Tokyo, Japan

Yutaka Suzuki

Affiliation Department of Surgery, International University of Health and Welfare, Tokyo, Japan

Masahiro Ikegami

Affiliation Department of Pathology, Jikei University School of Medicine, Tokyo, Japan

Chikako Sakanashi

Affiliation Division of Molecular Epidemiology, Jikei University School of Medicine, Tokyo, Japan

Taisuke Akutsu

Affiliation Division of Molecular Epidemiology, Jikei University School of Medicine, Tokyo, Japan

Suguru Amagaya

Affiliation Division of Molecular Epidemiology, Jikei University School of Medicine, Tokyo, Japan

Kazuhumi Horiuchi

Affiliation Division of Molecular Epidemiology, Jikei University School of Medicine, Tokyo, Japan

Yu Imai

Affiliation Division of Molecular Epidemiology, Jikei University School of Medicine, Tokyo, Japan

Hidetoshi Mezawa

Affiliation Division of Molecular Epidemiology, Jikei University School of Medicine, Tokyo, Japan

Miki Noya

Affiliation Division of Molecular Epidemiology, Jikei University School of Medicine, Tokyo, Japan

Akio Nakashima

Affiliation Division of Molecular Epidemiology, Jikei University School of Medicine, Tokyo, Japan

Aki Mafune

Affiliation Division of Molecular Epidemiology, Jikei University School of Medicine, Tokyo, Japan

Takakuni Kato

Affiliation Department of Oto-Rhino-Laryngology, Jikei University School of Medicine, Tokyo, Japan

Hiromi Kojima

Affiliation Department of Oto-Rhino-Laryngology, Jikei University School of Medicine, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MU TH TS YS TK HK. Performed the experiments: MI CS TA SA KH YI HM MN AN. Analyzed the data: AM MU. Contributed reagents/materials/analysis tools: MI CS. Wrote the manuscript: MU TH.