Yokoi, Hiroyoshi
Oda, Eisei
Kaneko, Kazuki
Matsubayashi, Kenta
Funding for this research was provided by:
Daiichi Sankyo Co., Ltd
Article History
Received: 3 June 2021
Accepted: 9 December 2021
First Online: 9 February 2022
Declarations
:
: HY has received lecture fees from Takeda Pharmaceutical Co., Ltd., Daiichi Sankyo Co., Ltd., AstraZeneca, Merck Sharp & Dohme, Boston Scientific, and Terumo Co. and has received scholarship funding from Daiichi Sankyo Co., Ltd. EO and KK declare no conflict of interest. KM has received personal fees from Daiichi Sankyo Co. Ltd.
: This study used de-identified data that were retrieved in an unlinked manner from the Medical Data Vision automated hospital information database; therefore, the study was exempt from obtaining informed consent from individual patients according to the local ethical guidelines for epidemiological research [CitationRef removed]. In accordance with current guidelines from the Japanese Ministry of Health, Labour and Welfare (Ethical Guidelines for Medical and Health Research Involving Human Subjects, 2015), since the study utilized information which was unlinked and anonymized, review by an ethical review committee was unnecessary; therefore, no approval was obtained.