About the Authors

Asako Murayama

Affiliation Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan

Nao Sugiyama

Affiliation Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan

Seiko Yoshimura

Affiliation Corporate Research and Development Center, Toshiba Corporation, Kanagawa, Japan

Mitsuko Ishihara-Sugano

Affiliation Corporate Research and Development Center, Toshiba Corporation, Kanagawa, Japan

Takahiro Masaki

Affiliation Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan

Sulyi Kim

Affiliation Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan

Takaji Wakita

Affiliation Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan

Shunji Mishiro

Affiliation Department of Medical Sciences, Toshiba General Hospital, Tokyo, Japan

Takanobu Kato

takato@nih.go.jp

Affiliation Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan

Competing Interests

SY, MIS and SM are employees of Toshiba Corporation. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: AM TW SM TK. Performed the experiments: AM NS SY MIS TM SK TK. Analyzed the data: AM TK. Contributed reagents/materials/analysis tools: SY MIS SM. Wrote the paper: AM SM TK.