Published on in Vol 2, No 1 (2021): Jan-Mar
Preprints (earlier versions) of this paper are
available at
https://www.medrxiv.org/content/10.1101/2020.05.24.20111872v1, first published
.
1 King Saud bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia