Koo, Kyo Chul
Lee, Kwang Suk
Kim, Suah
Min, Choongki
Min, Gyu Rang
Lee, Young Hwa
Han, Woong Kyu
Rha, Koon Ho
Hong, Sung Joon
Yang, Seung Choul
Chung, Byung Ha http://orcid.org/0000-0001-9817-3660
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2017R1C1B5017516)
Article History
Received: 30 August 2019
Accepted: 3 January 2020
First Online: 10 January 2020
Compliance with ethical standards
:
: All of the authors declare that they have no conflicts of interest to declare.
: 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.
: Informed consent was not required for the purposes of this study as it was based upon retrospective anonymous patient data and did not involve patient intervention or the use of human tissue samples.