About the Authors

Hirotake Komatsu

Affiliations Institute for Integrated Medical Sciences, Tokyo Women's Medical University, Tokyo, Japan, Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan

Etsuko Tanji

Affiliation Institute for Integrated Medical Sciences, Tokyo Women's Medical University, Tokyo, Japan

Naoaki Sakata

Affiliation Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan

Takeshi Aoki

Affiliation Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan

Fuyuhiko Motoi

Affiliation Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan

Takeshi Naitoh

Affiliation Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan

Yu Katayose

Affiliations Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan, Division of Integrated Surgery and Oncology, Tohoku University Graduate School of Medicine, Sendai, Japan

Shinichi Egawa

Affiliation Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan

Michiaki Unno

Affiliation Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan

Toru Furukawa

furukawa.toru@twmu.ac.jp

Affiliation Institute for Integrated Medical Sciences, Tokyo Women's Medical University, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HK TF. Performed the experiments: HK ET TF. Analyzed the data: HK NS TA FM TN YK SE MU TF. Contributed reagents/materials/analysis tools: HK TF. Wrote the paper: HK TF.