Funding for this research was provided by:
Jordan University of Science and Technology (177/2017)
Received: 12 April 2019
Accepted: 27 February 2020
First Online: 9 March 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the IRB committee at Jordan University of Science and Technology (Ref. # 19/105/2017). All participants gave written informed consent before taking part in this study.
: Not applicable.
: The authors declare that they have no competing interests.