About the Authors

Yasunobu Okamura

Affiliation Graduate School of Information Sciences, Tohoku University, Sendai, Miyagi, Japan

Takeshi Obayashi

Affiliation Graduate School of Information Sciences, Tohoku University, Sendai, Miyagi, Japan

Kengo Kinoshita

kengo@ecei.tohoku.ac.jp

Affiliations Graduate School of Information Sciences, Tohoku University, Sendai, Miyagi, Japan, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Miyagi, Japan, Tohoku Medical Megabank Organization, Sendai, Miyagi, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YO TO KK. Performed the experiments: YO. Analyzed the data: YO. Contributed reagents/materials/analysis tools: YO TO. Wrote the paper: YO KK.