Funding for this research was provided by:
The National Comprehensive Plan for science and Technology. (14-MED2307-20)
Text and Data Mining valid from 2018-07-26
Received: 5 April 2018
Accepted: 8 July 2018
First Online: 26 July 2018
Ethics approval and consent to participate
: The study was approved by the Human Research Ethics Committee of the King Faisal Specialist Hospital and Research Centre according to the Declaration of Helsinki. All participants provided written consent before the participation.
: Not applicable
: The authors declare that they have no competing interests.
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