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, Belgium
2 Department of Pediatrics and Child Health, Addis Ababa University, Addis Ababa, Ethiopia