Published on in Vol 10, No 10 (2021): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/34211, first published
.
1 Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, ON, Canada
2 Department of Obstetrics and Gynecology, University of British Columbia, Vancouver, BC, Canada