About the Authors

Momoe Utsumi

Contributed equally to this work with: Momoe Utsumi, Nana Nakayama, Kiyoko Makimoto

Roles Conceptualization, Writing – original draft

utsumi@sahs.med.osaka-u.ac.jp

Affiliation Division of Health Sciences, Graduate School of Medicine, Osaka University, Suita City, Osaka, Japan

Terumasa Yamada

Roles Data curation

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Gastroenterological Surgery, Higashiosaka City Medical Center, Higashiosaka City, Osaka, Japan

Kazuo Yamabe

Roles Data curation

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Surgery, Kinan Hospital, Tnabe City, Osaka, Japan

Yoshiteru Katsura

Roles Data curation

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Surgery, Kansai Rosai Hospital, Amagasaki City, Hyogo, Japan

Nariaki Fukuchi

Roles Data curation

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Surgery, Suita Municipal Hospital, Suita City, Osaka, Japan

Hiroki Fukunaga

Roles Data curation

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Surgery, Itami City Hospital, Itami City, Hyogo, Japan

Masahiro Tanemura

Roles Data curation

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Surgery, Rinku General Medical Center, Izumisano City, Osaka, Japan

Junzo Shimizu

Roles Conceptualization, Data curation, Methodology, Project administration

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Surgery, Toyonaka Municipal Hospital, Toyonaka City, Osaka, Japan

Yoshinori Kagawa

Roles Data curation, Project administration

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Gastroenterological Surgery, Osaka General Medical Center, Osaka City, Osaka, Japan

Shogo Kobayashi

Roles Data curation, Methodology

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita City, Osaka, Japan

Hidekazu Takahashi

Roles Data curation, Methodology

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita City, Osaka, Japan

Koji Tanaka

Roles Data curation, Methodology

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita City, Osaka, Japan

Tsunekazu Mizushima

Roles Data curation, Methodology

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Nursing, Kyoto University Hospital, Kyoto City, Kyoto, Japan

Hidetoshi Eguchi

Roles Data curation, Methodology

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita City, Osaka, Japan

Nana Nakayama

Contributed equally to this work with: Momoe Utsumi, Nana Nakayama, Kiyoko Makimoto

Roles Conceptualization, Writing – review & editing

Affiliation Department of Nursing, Kyoto University Hospital, Kyoto City, Kyoto, Japan

Kiyoko Makimoto

Contributed equally to this work with: Momoe Utsumi, Nana Nakayama, Kiyoko Makimoto

Roles Conceptualization, Writing – original draft, Writing – review & editing

Affiliation Emeritus Professor, Osaka University, Suita City, Osaka, Japan

Yuichiro Doki

Roles Supervision

‡ TY, KY, YK, NF, HF, MT, JS, YK, SK, HT, KT, TM, HE, and YD also contributed equally to this work.

Affiliation Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita City, Osaka, Japan

Competing Interests

The authors have declared that no competing interests exist.