Article History
Received: 15 May 2019
Accepted: 9 July 2019
First Online: 17 July 2019
Compliance with ethical standards
:
: We have no conflicts of interest to report.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: All methods were approved by the University of Louisville Institutional Review Board and all participants provided informed consent.