Abu Helwa, Heba A.
Mitaeb, Areen A.
Al-Hamshri, Suha
Sweileh, Waleed M. http://orcid.org/0000-0002-9460-5144
Article History
Received: 1 March 2017
Accepted: 11 January 2018
First Online: 15 January 2018
Ethics approval and consent to participate
: Students included in the study were asked to give verbal consent based on the Institutional Review Board (IRB) of An-Najah National University approval obtained for this study.
: Not applicable
: The authors declare that they have no competing interests.
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