Alhanafi, Faysal
Kaysi, Yahia
Muna, Muhannad
Alkhtib, Ashraf http://orcid.org/0000-0002-3381-0304
Wamatu, Jane
Burton, Emily
Funding for this research was provided by:
Nottingham Trent University
Article History
Received: 23 July 2018
Accepted: 26 February 2019
First Online: 5 March 2019
Compliance with ethical standards
: This study has been approved by the ethical committee of Damascus University, Syria.
: The authors declare that they have no conflict of interest.