About the Authors

Yoshikane Yamauchi

yoshikaney@2004.jukuin.keio.ac.jp

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

Yotaro Izumi

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

Masafumi Kawamura

Affiliation Department of Surgery, School of Medicine, Teikyo University, Tokyo, Japan

Seishi Nakatsuka

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

Hideki Yashiro

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

Norimasa Tsukada

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

Masanori Inoue

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

Keisuke Asakura

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

Hiroaki Nomori

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YY MK SN HN. Performed the experiments: YY SN YI HY NT KA MI. Analyzed the data: YY SN YI. Contributed reagents/materials/analysis tools: SN HY NT KA MI. Wrote the paper: YY MK YI HN.