Kim, Seung-seob http://orcid.org/0000-0001-6071-306X
Lee, Sunyoung http://orcid.org/0000-0002-6893-3136
Choi, Jin-Young http://orcid.org/0000-0002-9025-6274
Lim, Joon Seok http://orcid.org/0000-0002-0334-5042
Park, Mi-Suk http://orcid.org/0000-0001-5817-2444
Kim, Myeong-Jin http://orcid.org/0000-0001-7949-5402
Article History
First Online: 6 May 2020
Compliance with ethical standards
:
: The authors have no conflicts of interest related to this manuscript.
: Our institutional review board approved the study (IRB Number: 4-2019-0594); requirement for written informed consent for this retrospective study was waived.
: Our institutional review board approved the study (IRB Number: 4-2019-0594); requirement for written informed consent for this retrospective study was waived.