Funding for this research was provided by:
National Research Foundation Korea (Medical Research Center Program (2017R1A5A2015541))
Article History
Received: 21 August 2019
Accepted: 7 February 2020
First Online: 13 February 2020
Compliance with ethical standards
: This study was approved by the Institutional Review Board of the Catholic University of Korea Seoul St. Mary’s Hospital (IRB number KC19RESI0327).
: The authors declare that there is no conflict of interest.
: The datasets during and/or analyzed during the current study are available from the corresponding author on reasonable request.