Fergus, Thomas A.
Kelley, Lance P.
Griggs, Jackson O.
Article History
Received: 16 January 2018
Accepted: 19 July 2018
First Online: 24 July 2018
Compliance with ethical standards
:
: Thomas A. Fergus, Lance P. Kelley, and Jackson O. Griggs declare that they have no conflicts of interest.
: 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. Informed consent was obtained from all individual participants included in the study.