Document is current
Any future updates will be listed below
-
Authors
Hasegawa, Hiro
Tsukada, Yuichiro
Wakabayashi, Masashi
Nomura, Shogo
Sasaki, Takeshi
Nishizawa, Yuji
Ikeda, Koji
Akimoto, Tetsuo
Ito, Masaaki https://orcid.org/0000-0002-1101-2707
- License Information
-
More Information
Article History
Accepted: 11 December 2019
First Online: 6 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (National Cancer Center Institutional Review Board; reference no. 2017-410) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The requirement for acquisition of informed consent from patients was waived owing to the retrospective nature of this study.
