About the Authors

Hideo Yonezawa

yonezawa@ks.kyorin-u.ac.jp

Affiliation Department of Infectious Diseases, Kyorin University School of Medicine, Tokyo, Japan

Takako Osaki

Affiliation Department of Infectious Diseases, Kyorin University School of Medicine, Tokyo, Japan

Tomoko Hanawa

Affiliation Department of Infectious Diseases, Kyorin University School of Medicine, Tokyo, Japan

Satoshi Kurata

Affiliation Department of Infectious Diseases, Kyorin University School of Medicine, Tokyo, Japan

Kuniyasu Ochiai

Affiliation Department of Microbiology, Nihon University School of Dentistry, Tokyo, Japan

Shigeru Kamiya

Affiliation Department of Infectious Diseases, Kyorin University School of Medicine, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HY TO S. Kamiya. Performed the experiments: HY. Analyzed the data: HY TO. Contributed reagents/materials/analysis tools: HY TO TH S. Kurata S. Kamiya. Wrote the paper: HY TO KO S. Kamiya.