Funding for this research was provided by:
Deanship of Scientific Research, King Saud University
Received: 16 December 2019
Accepted: 19 May 2020
First Online: 25 June 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board, Ethics Committee, College of Medicine Research Centre (E-17-2652). Informed written consent was obtained from all the participants.
: Not applicable.
: The authors declare that they have no competing interests.