Elghiaty, Ahmed
Kim, Jongchan
Jang, Won Sik
Park, Jee Soo
Heo, Ji Eun
Rha, Koon Ho
Choi, Young Deuk
Ham, Won Sik http://orcid.org/0000-0003-2246-8838
Article History
Received: 18 December 2018
Accepted: 11 January 2019
First Online: 13 February 2019
Compliance with ethical standards
:
: No conflict exists.
: 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 the study was based on retrospective anonymous patient data and did not involve patient intervention or the use of human tissue samples.