Akkawi, Mohammad T.
Qaddumi, Jamal A. S.
Issa, Hala R. M.
Yaseen, Liana J. K.
Article History
Received: 25 April 2017
Accepted: 7 August 2018
First Online: 13 August 2018
Ethics approval and consent to participate
: Potential participants were approached by the researchers after ethical approval had been granted by An-Najah National University, IRB ethical committee.
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: The authors declare that they have no competing interests.
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