Funding for this research was provided by:
National Research Foundation of Korea (NRF-2018 R1D1A1B07042692)
DongKook Life Science
Article History
Received: 14 July 2020
Accepted: 2 February 2021
First Online: 12 February 2021
Ethics approval and consent to participate
: This study was approved by the institutional review board at Samsung Medical Center, and the requirement for informed consent for the use of patient data was waived.
: Not applicable.
: The authors declare that they have no competing interests.