About the Authors

Tsukasa Horiyama

Affiliation Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan

Kunihiko Nishino

nishino@sanken.osaka-u.ac.jp

Affiliations Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan, Laboratory of Microbiology and Infectious Diseases, Institute of Scientific and Industrial Research, Osaka University, Osaka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TH KN. Performed the experiments: TH KN. Analyzed the data: TH KN. Contributed reagents/materials/analysis tools: KN. Contributed to the writing of the manuscript: TH KN.