Text and Data Mining valid from 2018-03-12
Received: 15 June 2017
Accepted: 1 March 2018
First Online: 12 March 2018
Ethics approval and consent to participate
: Approval for this study was provided by the King Abdullah International Medical Research Center Institutional Review Board (RC 16/165/R). Written informed consent was given by all participants prior to participation in the study.
: Not applicable
: The authors declare that they have no competing interests.
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