Funding for this research was provided by:
Saudi Arabia Cultural Bureau in London (9109298369)
Text and Data Mining valid from 2019-11-04
Received: 4 April 2019
Accepted: 22 October 2019
First Online: 4 November 2019
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of King Khalid University Hospital, Ethics Committee, and signed informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.