Funding for this research was provided by:
National Research Foundation of Korea (NRF-2016R1D1A1B04935568)
Article History
Received: 9 February 2021
Revised: 15 March 2021
Accepted: 17 March 2021
First Online: 21 March 2021
Declarations
:
: Drs. Koo, HJ Kim and Choi report no disclosure.
: This study followed the tenets of the Declaration of Helsinki and was performed according to the guidelines of Institutional Review Board of Seoul National University Bundang Hospital (B-2102/666–101).