Published on in Vol 10, No 6 (2022): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/33835, first published
.
1 Hangzhou Normal University, Hangzhou, China
2 Department of Obstetrics and Gynecology, Hangzhou Women's Hospital, Hangzhou, China
3 Department of Obstetrics and Gynecology, The Affiliated Hangzhou Women’s Hospital of Hangzhou Normal University, Hangzhou, China
*these authors contributed equally