Published on in Vol 9 , No 9 (2020) :September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/16127, first published
.

1 Department of Public Health and Hygiene, University of Buea, Buea, CM
2 Department of Medicine, University of Buea, Buea, CM
3 Department of Obstetrics and Gynecology, University of Buea, Buea, CM