Takeuchi, Masashi
Endo, Hideki
Hibi, Taizo
Seishima, Ryo
Nakano, Yutaka
Yamamoto, Hiroyuki
Miyata, Hiroaki
Maeda, Hiromichi
Hanazaki, Kazuhiro
Taketomi, Akinobu
Kakeji, Yoshihiro
Seto, Yasuyuki
Ueno, Hideki
Mori, Masaki
Kitagawa, Yuko
Funding for this research was provided by:
Ministry of Health, Labour and Welfare (JPMH21HA2011)
Article History
Received: 31 January 2023
Accepted: 3 June 2023
First Online: 22 June 2023
Declarations
:
: Dr. Kitagawa reports grants and personal fees from ASAHI KASEI PHARMA CORPORATION, grants, personal fees, and others from ONO PHARMACEUTICAL CO., LTD., grants and personal fees from Otsuka Pharmaceutical Factory, Inc., grants and personal fees from Nippon Covidien Inc., grants, personal fees, and others from TAIHO PHARMACEUTICAL CO., LTD, grants, personal fees, and others from CHUGAI PHARMACEUTICAL CO., LTD., grants and personal fees from KAKEN PHARMACEUTICAL CO., LTD., personal fees from AstraZeneca K.K., personal fees from Ethicon Inc., personal fees from Olympus Corporation, personal fees from SHIONOGI & CO., LTD., personal fees and others 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., grants from Yakult Honsha Co. Ltd., grants from Otsuka Pharmaceutical Co., Ltd., grants from TSUMURA & CO., grants from Sumitomo Pharma Co., Ltd., grants and personal fees from EA Pharma Co., Ltd., grants from Eisai Co., Ltd., grants from Kyowa Kirin Co., Ltd., grants from MEDICON INC., grants from Takeda Pharmaceutical Co., Ltd., grants from TEIJIN PHARMA LIMITED, and personal fees from Intuitive Surgical G.K., outside the submitted work. Hideki Endo, Hiroyuki Yamamoto, and Hiroaki Miyata are affiliated with the Department of Healthcare Quality Assessment at the University of Tokyo. The department is a social collaboration department supported by the National Clinical Database, Johnson & Johnson K.K., Nipro Corporation, and Intuitive Surgical Sàrl.
: The protocol of this study was reviewed and adopted by the Japanese Society of Gastrointestinal Surgery Committee and approved by the Institutional Review Board of Kochi Medical School with exemption of individual written informed consent owing to the retrospective study design (ID: 2022–75).
: Not applicable.