Published on in Vol 8 , No 1 (2019) :Jan-Mar
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12769, first published
.

1 College of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
2 Department of Surgery, King Abdulaziz University Hospital, Jeddah, Saudi Arabia