Article History
Received: 21 November 2020
Accepted: 23 December 2020
First Online: 13 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by the Biomedical Ethics Committee of the Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia (reference No. 500-18).
: For this type of study, no informed consent was required.