Published on in Vol 23, No 7 (2021): July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/24994, first published
.
1 Department of Obstetrics and Gynecology, Hallym University Kangnam Sacred Heart Hospital, Seoul, Republic of Korea
2 Institute of New Frontier Research, College of Medicine, Hallym University, Chuncheon, Republic of Korea