About the Authors

Haruyuki Tsuchiya

Affiliation Department of Surgery, Tohoku University, Sendai, Japan

Naoaki Sakata

n-sakata@surg1.med.tohoku.ac.jp

Affiliation Department of Surgery, Tohoku University, Sendai, Japan

Gumpei Yoshimatsu

Affiliation Department of Surgery, Tohoku University, Sendai, Japan

Masahiko Fukase

Affiliation Department of Surgery, Tohoku University, Sendai, Japan

Takeshi Aoki

Affiliation Department of Surgery, Tohoku University, Sendai, Japan

Masaharu Ishida

Affiliation Department of Surgery, Tohoku University, Sendai, Japan

Yu Katayose

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

Shinichi Egawa

Affiliation Division of International Cooperation for Disaster Mediscine, International Research Institute of Disaster Science, Tohoku University, Sendai, Japan

Michiaki Unno

Affiliation Department of Surgery, Tohoku University, Sendai, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NS. Performed the experiments: HT NS. Analyzed the data: HT NS. Contributed reagents/materials/analysis tools: HT NS. Wrote the paper: HT NS GY MF TA MI YK SE MU.