Lee, Ji Young http://orcid.org/0000-0003-1181-8070
Han, Miran http://orcid.org/0000-0001-7752-5858
Kim, Kap Seon
Shin, Su-Jin
Choi, Jin Wook
Ha, Eun Ju
Article History
Received: 5 June 2019
Accepted: 20 September 2019
First Online: 22 October 2019
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 and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.For this retrospective study, formal consent is not required.
: Written informed consent was waived by the Institutional Review Board. Institutional Review Board approval was obtained (AJIRB-MED-MDB-18-235 and HYUH 2018-08-015)