Received: 6 February 2019
Accepted: 26 June 2019
First Online: 8 July 2019
Ethics approval and consent to participate
: The Institutional Review Board (IRB) of East Carolina University approved the project and waived the requirement for consent.
: Not applicable. This manuscript does not contain any identifiable individual information and the IRB of East Carolina University has waived the requirement for consent.
: The authors declare that they have no competing in interests.