Funding for this research was provided by:
National Research Foundation of Korea (2020R1F1A1073791)
Received: 25 January 2021
Accepted: 13 September 2021
First Online: 3 October 2021
: The institutional review boards of Sejong General Hospital (2020-0541) and Mediplex Sejong Hospital (2020-149) approved this study protocol and waived the need for informed consent owing to impracticality and minimal harm involved.
: Not applicable.
: YRL, DYK, KHK, and SYL declare that they have no competing interests. JK, YYJ, MSJ, YJL, YHC, and JHS are researchers of Medical AI Co., a medical artificial intelligence company. JK and JHB are the researchers of Body Friend Co. There are no products in development or marketed products to declare. This does not alter our adherence to the target journal.