Funding for this research was provided by:
Imam Abdulrahman Bin Faisal University
Received: 2 March 2018
Accepted: 18 June 2018
First Online: 26 June 2018
Ethics approval and consent to participate
: Ethical approval was obtained from The Faculty of Medicine and Health Research Ethics Committee at The University of Leeds.
: The authors declare that they have no competing interests.
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