Received: 26 April 2018
Accepted: 10 July 2018
First Online: 11 October 2018
Ethics approval and consent to participate
: Prior to the initiation of the study, the protocol was approved by the Institutional Review Board of Notre Dame University-Louaize and the study was conducted in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Study participants were asked to sign an informed consent form prior to participation An identification number was assigned for each participant to protect their identity. All questionnaires were labeled using codes. No financial or other incentives were offered.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.