Text and Data Mining valid from 2019-11-21
Received: 9 May 2019
Accepted: 29 October 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: This study was approved by the institutional review board in King Abdullah International Medical Research Center (SP18/380/R). Informed consent was obtained from respondents prior to data collection.
: Not applicable.
: The authors declare that they have no competing interests.