Cho, Hyunsoon
Lee, Sanghee
Sim, Sung Hoon
Park, In Hae
Lee, Keun Seok
Kwak, Mi Hyang
Kim, Hak Jin http://orcid.org/0000-0003-2483-1469
Funding for this research was provided by:
National Cancer Center (1710321-1, 1810301-1, 1710300-3, 1831140-1)
Article History
Received: 3 April 2020
Accepted: 21 May 2020
First Online: 28 May 2020
Compliance with ethical standards
:
: The authors have no conflict of interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study protocol and data were approved by the Institutional Review Board of the National Cancer Center (NCC2017-0013) in Korea.
: Informed consent was not required due to the retrospective use of de-identified administrative data.