Text and Data Mining valid from 2018-06-07
Received: 19 November 2017
Accepted: 4 May 2018
First Online: 7 June 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board (IRB) at Al-Yamamah University in Saudi Arabia. In addition, return of a completed survey was considered to represent consent from participants as approved by the IRB.
: The authors declare that they have no competing interests.
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