Received: 2 December 2020
Accepted: 31 January 2021
First Online: 22 February 2021
: The study was approved by institutional research board (IRB) and Medical Research Center (MRC) in Hamad Medical Corporation (MRC-01-20-055). This study was conducted in accordance with the Declaration of Helsinki and the Qatari ethical guidelines for medical and health research involving human subjects. Since this was a retrospective chart review, it was exempted by MRC from the requirement of informed consent. The administrative permissions were attained by the research team to access the data used in the research.
: Not applicable.
: The authors declare that they have no competing interests.