About the Authors

Tomohiro Kawahara

kawahara_tomohiro@biofermin.co.jp

Affiliation R&D Center, Biofermin Pharmaceutical Co., Ltd., Kobe, Japan

Yutaka Makizaki

Affiliation R&D Center, Biofermin Pharmaceutical Co., Ltd., Kobe, Japan

Yosuke Oikawa

Affiliation R&D Center, Biofermin Pharmaceutical Co., Ltd., Kobe, Japan

Yoshiki Tanaka

Affiliation R&D Center, Biofermin Pharmaceutical Co., Ltd., Kobe, Japan

Ayako Maeda

Affiliation R&D Center, Biofermin Pharmaceutical Co., Ltd., Kobe, Japan

Masaki Shimakawa

Affiliation R&D Center, Biofermin Pharmaceutical Co., Ltd., Kobe, Japan

Satoshi Komoto

Affiliation Department of Virology and Parasitology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan

Kyoko Moriguchi

Affiliation Department of Virology and Parasitology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan

Hiroshi Ohno

Affiliation R&D Center, Biofermin Pharmaceutical Co., Ltd., Kobe, Japan

Koki Taniguchi

Affiliation Department of Virology and Parasitology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan

Competing Interests

This study was funded by Biofermin Pharmaceutical Co., Ltd. Authors [TK, YM, YO, YT, AM, MS and HO] are employees of Biofermin Pharmaceutical Co., Ltd. Author [KT] received a Grant-in-Aid from Biofermin Pharmaceutical Co., Ltd. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: TK MS HO KT. Data curation: TK YM YO AM. Formal analysis: TK YT AM. Funding acquisition: KT. Investigation: TK YM YO YT AM. Methodology: TK YT MS HO KT. Project administration: MS HO KT. Resources: TK SK KM KT. Supervision: MS HO KT. Validation: MS HO KT. Visualization: TK HO KT. Writing – original draft: TK. Writing – review & editing: TK KT.