Youssef, Farid F.
Article History
Received: 6 July 2015
Accepted: 16 November 2015
First Online: 12 January 2016
Compliance with Ethical Standards
: Approval for this study was granted by the University of Liverpool, International Online Research Ethics Committee and the Ethics Committee at Faculty of Medical Sciences, UWI.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.