Article History
Received: 5 September 2020
Revised: 3 October 2020
Accepted: 6 October 2020
First Online: 13 October 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: For this type of study formal consent is not required. The study was approved by the medical research center, Hamad medical corporation. (IRB approval number: MRC-05-165).
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