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Authors
Maeda, Hiromichi
Endo, Hideki
Ichihara, Nao
Miyata, Hiroaki
Hasegawa, Hiroshi
Kamiya, Kinji
Kakeji, Yoshihiro
Yoshida, Kazuhiro
Seto, Yasuyuki
Yamaue, Hiroki
Yamamoto, Masakazu
Kitagawa, Yuko
Uemura, Sunao
Hanazaki, Kazuhiro
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Article History
Received: 10 June 2023
Accepted: 28 December 2023
First Online: 13 January 2024
Declarations
:
: This study’s protocol was accepted by the Japanese Society of Gastrointestinal Surgery and the Japanese Society of Hepato-Biliary-Pancreatic Surgery Committees. The study protocol was approved by the institutional review board of Kochi Medical School (ID: 31-67).
: The requirement for individual written informed consent was waived due to the retrospective design of this study.
: The requirement for individual written informed consent was waived due to the retrospective design of this study.
: Dr. Hideki Endo, Dr. Nao Ichihara, and Dr. Hiroaki Miyata are affiliated with the Department of Healthcare Quality Assessment at the University of Tokyo, which is a social collaboration department supported by the National Clinical Database, Johnson & Johnson K.K., Nipro Corporation, and Intuitive Surgical Sàrl. Dr. Kitagawa reports grants and personal fees from ASAHI KASEI PHARMA CORPORATION, grants and personal fees from ONO PHARMACEUTICAL CO., LTD., grants, personal fees and other from TAIHO PHARMACEUTICAL CO., LTD, grants, personal fees and other from CHUGAI PHARMACEUTICAL CO., LTD., grants and personal fees from KAKEN PHARMACEUTICAL CO., LTD., grants and personal fees from EA Pharma Co., Ltd., grants and personal fees from Takeda Pharmaceutical Company Limited, grants and personal fees from TSUMURA & CO., personal fees from AstraZeneca K.K., personal fees from Ethicon Inc., personal fees from Olympus Corporation, personal fees from Cardinal Health K.K., personal fees from SHIONOGI & CO., LTD., personal fees from Bristol-Myers Squibb K.K., personal fees from MSD K.K., personal fees from Smith ＆ Nephew KK, personal fees from ASKA Pharmaceutical Co., Ltd., personal fees from MIYARISAN PHARMACEUTICAL CO. LTD., personal fees from Toray Industries, Inc., personal fees from DAIICHI SANKYO COMPANY, LIMITED, personal fees from Chugai Foundation for Innovative Drug Discovery Science, personal fees from Nippon Kayaku Co., Ltd., personal fees from Intuitive Surgical G.K., personal fees and other from SYSMEX CORPORATION, personal fees from AI Medical Service Inc., personal fees from Kowa Company, Ltd., personal fees from Eisai Co., Ltd., other from Medicaroid Corporation, outside the submitted work.
