Published on in Vol 9, No 6 (2021): June
                                    Preprints (earlier versions) of this paper are
                                    available at
                                    https://preprints.jmir.org/preprint/26598, first published
                                    .
                                

1 Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, Republic of Korea
2 Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Republic of Korea
