Text and Data Mining valid from 2018-12-01
Received: 20 September 2018
Accepted: 3 December 2018
First Online: 20 December 2018
Ethics approval and consent to participate
: The study design adhered to the principles of the Helsinki Declaration and was approved by the research board at King Abdullah International Medical Research Center (approval number SP16/190). Informed consent was obtained from respondents prior to data collection.
: Not applicable
: The authors declare that they have no competing interests.
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