Mayes, Susan Dickerson
Frye, Sara S.
Breaux, Rosanna P.
Calhoun, Susan L.
Article History
First Online: 27 April 2018
Compliance with Ethical Standards
:
: All procedures performed in this study were in accordance with ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The study was approved by our Institutional Review Board. Informed consent was waived by the Institutional Review Board because analyses were conducted retrospectively on existing clinical data.
: The authors have no conflicts of interest to declare.