Funding for this research was provided by:
Hamad Medical Corporation
Received: 12 May 2020
Accepted: 3 July 2020
First Online: 18 July 2020
Ethics approval and consent to participate
: No ethics approval is required for this protocol as it is based on information from the published data.
: No consent is required as this review is based on information obtained from previously published data.
: All authors declare no conflict of interest.