Received: 5 January 2021
Accepted: 26 March 2021
First Online: 5 April 2021
Ethics approval and consent to participate
: All data analysis was carried out in accordance with applicable laws and regulations described in the Declaration of Helsinki and approved by institutional review board approval (Seoul National University Bundang Hospital ((B-2004–608-104). All participants gave their informed written consent.
: Not applicable.
: The authors declare that they have no competing interests.