Lace, John W.
Merz, Zachary C.
Grant, Alex F.
Teague, Carson L.
Aylward, Stephanie
Dorflinger, Jill
Gfeller, Jeffrey D.
Article History
Received: 20 July 2019
Revised: 9 October 2019
Accepted: 25 October 2019
First Online: 4 December 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: The present study was retrospective. For this type of study, formal consent is not required. 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.
: The present study was retrospective, and data were de-identified prior to study’s conception. Approval by participating institutions’ Institutional Review Boards (#2016-0028-03 and #27348) waived the requirement for informed consent.