Received: 31 October 2020
Accepted: 23 September 2022
First Online: 12 October 2022
: This study was approved by the Ethical Committee of the Korea University Guro Hospital Institutional Review Board, Seoul, Republic of Korea (ref.: 2019GR0294) on 21 August, 2019. Written informed consent was obtained from all participants. Data were made anonymous for analysis.
: Not applicable. No individual’s data appears in the work in any form.
: The authors declare that they have no competing interests.