Received: 16 November 2020
Accepted: 25 March 2021
First Online: 13 April 2021
: This prospective, observational study was approved by the institutional review board (IRB) of the King Abdullah International Medical Research Center, Riyadh, Arabia (Reference RC20/296/R). Informed consent was obtained from all participants.
: No identifiable data from individual subjects are included in this paper.
: AH is the serving president of WINFOCUS, but there are no financial disclosures related to this study. All other authors affirm that they have no conflicts of interest to declare.