Article History
Received: 14 November 2017
Accepted: 28 May 2018
First Online: 14 June 2018
Ethics approval and consent to participate
: The University’s Institutional Review Board approved an ethics compliance application for the study (QU-IRB 552-E 2016).
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.