Funding for this research was provided by:
Taibah University
Article History
Received: 12 February 2018
Accepted: 13 May 2018
First Online: 21 May 2018
Ethics approval and consent to participate
: All participants gave informed consent according to the Research Ethics Committee of the Faculty of Applied Medical Sciences at Taibah University (approval number MLT201623).
: The authors declare that they have no competing interests.
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