Published on in Vol 9 , No 12 (2021) :December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/25129, first published
.

1 Department of Computer Science, e-Media Research Lab, Katholieke Universiteit Leuven, Leuven, BE
2 Department of Pediatrics and Child Health, Addis Ababa University, Addis Ababa, ET