Funding for this research was provided by:
Qatar National Research Fund (NPRP 4-268-3-085)
Received: 8 March 2017
Accepted: 13 March 2018
First Online: 27 March 2018
Ethics approval and consent to participate
: Approvals for the study were obtained from Hamad Medical Corporation (HMC) and Weill Cornell Medicine-Qatar (WCM-Q) Institutional Review Boards. All participants signed a written informed consent before joining the study and after they received clear information about the study and the duration of procedures.
: Not applicable.
: The authors declare that they have no competing interests.
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