Funding for this research was provided by:
National Research Foundation of Korea (NRF-2018R1C1B6001708)
National Research Foundation of Korea (NRF-2018R1D1A1B07049034)
Received: 12 April 2020
Accepted: 15 September 2020
First Online: 26 September 2020
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of Seoul National University Bundang Hospital, which waived the requirement for informed consent due to the nature of the study. All data were anonymized to maintain confidentiality.
: Not applicable.
: The authors declare that they have no competing interests.