Funding for this research was provided by:
King Abdulaziz City for Science and Technology (260-35)
Text and Data Mining valid from 2017-11-01
Received: 15 June 2017
Accepted: 6 October 2017
First Online: 1 November 2017
Ethics approval and consent to participate
: This study was reviewed and approved by the Institutional Review Board (IRB) at King Abdullah International Medical Research center (KAIMRC).
: All participants provided informed consent.
: The authors declare that they have no competing interests.