Funding for this research was provided by:
National Research Foundation of Korea (2019M3A9A8065095, NRF-2018R1A2B3002179)
Yonsei University (2019-22-0193)
Received: 27 February 2020
Accepted: 10 June 2020
First Online: 1 October 2020
Ethics approval and consent to participate
: Not applicable.
: All authors read and approved the final manuscript.
: The authors have no conflict of interest to declare.