Text and Data Mining valid from 2017-11-13
Received: 8 July 2017
Accepted: 4 November 2017
First Online: 13 November 2017
Compliance with ethical standards
: The authors declare that they have no competing interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Internal Review Board of the American University of Sharjah and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.