About the Authors

Mai Kimura

Affiliation Department of Cardiology, Keio University School of Medicine, Tokyo, Japan

Yuichi Tamura

u1@ta-mu.net

Affiliation Department of Cardiology, Keio University School of Medicine, Tokyo, Japan

Makoto Takei

Affiliation Department of Cardiology, Keio University School of Medicine, Tokyo, Japan

Tsunehisa Yamamoto

Affiliation Department of Cardiology, Keio University School of Medicine, Tokyo, Japan

Tomohiko Ono

Affiliation Department of Cardiology, Keio University School of Medicine, Tokyo, Japan

Masataka Kuwana

Affiliation Department of Rheumatology, Nippon Medical School, Tokyo, Japan

Keiichi Fukuda

Affiliation Department of Cardiology, Keio University School of Medicine, Tokyo, Japan

Toru Satoh

Affiliation Department of Cardiology, Kyorin University School of Medicine, Tokyo, Japan

Competing Interests

The authors have declared that Prof. Masataka Kuwana currently serves as an Academic Editor of PLOS ONE, however in this manuscript, this does not alter their adherence to PLOS ONE Editorial policies and criteria.

Author Contributions

Conceived and designed the experiments: YT. Performed the experiments: M. Kimura MT. Analyzed the data: TO. Contributed reagents/materials/analysis tools: MT TY. Wrote the paper: M. Kimura YT M. Kuwana TS KF.