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Authors
Takamaru, Hiroyuki https://orcid.org/0000-0002-7019-6331
Stammers, Matthew
Yanagisawa, Fumito
Mizuguchi, Yasuhiko
Sekiguchi, Masau
Yamada, Masayoshi
Sakamoto, Taku
Matsuda, Takahisa
Saito, Yutaka
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Funding
Funding for this research was provided by:
National Cancer Center Research and Development Fund (25-A-12, 28-K-1, 29-A-13)
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Article History
Received: 18 October 2021
Accepted: 24 June 2022
First Online: 1 August 2022
Declarations
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: Dr. Yutaka Saito has a financial interest in the National Cancer Center in the form of the institutional grant support he has received from its Research and Development Fund (25-A-12, 28-K-1, and2 9-A-13). Dr. Hiroyuki Takamaru, Dr. Matt Stammers, Dr. Fumito Yanagisawa, Dr. Yasuhiko Mizuguchi, Dr. Masau Sekiguchi, Dr. Masayoshi Yamada, Dr. Taku Sakamoto, and Dr. Takahisa Matsuda declare no conflicts of interest.
: All procedures performed in this study that involved human participants were conducted in accordance with the ethical standards of the Institutional Review Board of the National Cancer Center Hospital (IRB Number: 2016–447) and the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The requirement for informed consent was waived by the ethics committee owing to the retrospective nature of the study.
: The requirement for informed consent was waived by the ethics committee owing to the retrospective nature of the study.
