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Authors
Han, Won Ho
Eom, Bang Wool
Yoon, Hong Man
Reim, Daniel
Kim, Young-Woo
Kim, Moon Soo
Lee, Jong Mog
Ryu, Keun Won https://orcid.org/0000-0002-0332-2051
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Funding
Funding for this research was provided by:
National Cancer Center, Korea (NCC 1710160-1)
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Article History
Received: 22 August 2018
Accepted: 11 July 2019
First Online: 22 July 2019
Ethics approval and consent to participate
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. This study was approved by the Institutional Review Board of the National Cancer Center (No.NCC2017–0224). The need for and patients’ informed consent was waived given the retrospective nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.
