Published on in Vol 9 , No 8 (2021) :August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/26398, first published
.

1 Department of Computer Science & Information Engineering, National Taiwan University, Taipei, TW
2 Department of Obstetrics and Gynecology, Tri-Service General Hospital, National Defense Medical Center, Taipei, TW
3 MJ Health Screening Center, Taipei, TW