About the Authors

Koya Yasukawa

Contributed equally to this work with: Koya Yasukawa, Akira Shimizu

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

kouyayasu@shinshu-u.ac.jp

Affiliation Division of Gastroenterological, Hepato-Biliary-Pancreatic, Transplantation and Pediatric Surgery, Department of Surgery, Shinshu University School of Medicine, Matsumoto, Japan

Akira Shimizu

Contributed equally to this work with: Koya Yasukawa, Akira Shimizu

Roles Data curation, Formal analysis

Affiliation Division of Gastroenterological, Hepato-Biliary-Pancreatic, Transplantation and Pediatric Surgery, Department of Surgery, Shinshu University School of Medicine, Matsumoto, Japan

Hiroaki Motoyama

Roles Data curation, Formal analysis

‡ These authors also contributed equally to this work.

Affiliation Division of Gastroenterological, Hepato-Biliary-Pancreatic, Transplantation and Pediatric Surgery, Department of Surgery, Shinshu University School of Medicine, Matsumoto, Japan

Koji Kubota

Roles Data curation, Formal analysis

‡ These authors also contributed equally to this work.

Affiliation Division of Gastroenterological, Hepato-Biliary-Pancreatic, Transplantation and Pediatric Surgery, Department of Surgery, Shinshu University School of Medicine, Matsumoto, Japan

Tsuyoshi Notake

Roles Data curation, Formal analysis

‡ These authors also contributed equally to this work.

Affiliation Division of Gastroenterological, Hepato-Biliary-Pancreatic, Transplantation and Pediatric Surgery, Department of Surgery, Shinshu University School of Medicine, Matsumoto, Japan

Shinsuke Sugenoya

Roles Data curation, Formal analysis

‡ These authors also contributed equally to this work.

Affiliation Division of Gastroenterological, Hepato-Biliary-Pancreatic, Transplantation and Pediatric Surgery, Department of Surgery, Shinshu University School of Medicine, Matsumoto, Japan

Kiyotaka Hosoda

Roles Data curation, Formal analysis

‡ These authors also contributed equally to this work.

Affiliation Division of Gastroenterological, Hepato-Biliary-Pancreatic, Transplantation and Pediatric Surgery, Department of Surgery, Shinshu University School of Medicine, Matsumoto, Japan

Hikaru Hayashi

Roles Data curation, Formal analysis

‡ These authors also contributed equally to this work.

Affiliation Division of Gastroenterological, Hepato-Biliary-Pancreatic, Transplantation and Pediatric Surgery, Department of Surgery, Shinshu University School of Medicine, Matsumoto, Japan

Ryoichiro Kobayashi

Roles Data curation, Formal analysis

‡ These authors also contributed equally to this work.

Affiliation Division of Gastroenterological, Hepato-Biliary-Pancreatic, Transplantation and Pediatric Surgery, Department of Surgery, Shinshu University School of Medicine, Matsumoto, Japan

Yuji Soejima

Roles Data curation, Formal analysis

Affiliation Division of Gastroenterological, Hepato-Biliary-Pancreatic, Transplantation and Pediatric Surgery, Department of Surgery, Shinshu University School of Medicine, Matsumoto, Japan

Competing Interests

The authors have declared that no competing interests exist.