Article History
Received: 27 May 2020
Accepted: 15 October 2020
First Online: 1 November 2020
Compliance with ethical standards
:
: All authors of this study declare that there is no conflict of interest relevant to this study.
: All procedures performed in studies involving human participants were in accordance with ethical standards of the institutional and/or national research committee, the 1964 Helsinki Declaration, and its later amendments or comparable ethical standards. This study was approved by IRB of Seoul St. Mary’s Hospital, the Catholic University of Korea (Study No.: KC17REDI0368).
: Informed consent was obtained from all individual participants included in this study.