Text and Data Mining valid from 2018-04-05
Received: 15 November 2016
Accepted: 26 March 2018
First Online: 5 April 2018
Ethics approval and consent to participate
: The study protocol and the verbal consent procedure were approved by the Ethics Committee of An-Najah National University. The interview content was described to respondents, and an informed verbal consent was obtained before the start of the interview.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.