Published on in Vol 8, No 6 (2021): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/29314, first published
.
1 Division of General Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States
2 Department of Women's and Children's Health, Uppsala University, Uppsala, Sweden
3 Harvard Medical School, Boston, MA, United States