Received: 15 October 2019
Accepted: 23 April 2020
First Online: 11 May 2020
Ethics approval and consent to participate
: Ethics approval was obtained from the Human Research and Ethics Committee in the participating hospitals with a waiver for patient informed consent (reference number: ABUTHZ/HREC/G23/2019, HMB/GHM/136/VOL.III/541 and MOH/ADM/744/VOL.1/716). Data was de-identified before analysis.
: Not applicable.
: The author declare that there is no competing interests.