Hwang, Jung Min
Byeon, Jong Hyun
Shim, Dong Jae http://orcid.org/0000-0001-9596-0765
Kim, Sun Ki
Shin, Yu Ri
Kim, Ki Jun
Article History
Received: 1 January 2019
Accepted: 29 April 2019
First Online: 9 May 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.
: Our institutional review board approved this retrospective study (Incheon St. Mary Hospital: OC18RESI0059).