Al-Omari, Shrideh K. http://orcid.org/0000-0001-8955-5552
Article History
Received: 11 January 2018
Accepted: 8 May 2018
First Online: 22 May 2018
Competing interests
: The author declares that there is no conflict of interest regarding the publication of this paper. The author declares that he has no competing interests.