Received: 20 February 2020
Accepted: 23 October 2020
First Online: 3 November 2020
Ethics approval and consent to participate
: This is a retrospective study that was conducted anonymously without any direct contact with participants. It obtained ethical approval from Research Ethics Committee, at Medical Research Center, Hamad Medical Corporation (HMC), Doha (#MRC-01-18-189) with a waiver of consent.
: Not applicable.