About the Authors

Takuma Kato

Affiliation Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan

Masakazu Tanaka

Affiliation Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan

Makoto Oba

moba@nagasaki-u.ac.jp

Affiliation Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MT MO. Performed the experiments: TK MO. Analyzed the data: MO. Contributed reagents/materials/analysis tools: TK MO. Wrote the manuscript: MT MO.