Text and Data Mining valid from 2018-05-03
Received: 11 June 2017
Accepted: 24 April 2018
First Online: 3 May 2018
Ethics approval and consent to participate
: Ethical approval was granted by the ethical review board of King Abdullah International Medical Research Center, Riyadh, KSA. Reference: IRBC/295/15. Participant consent was obtained through the cover letter. The collected data were stored in a secure place. Only the principal investigator and the coinvestigators had access to the data. The data did not contain any identifying information on the respondents (the medical records were coded), and they were stored in a computer with password protection.
: The authors declare that they have no competing interests.
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