Funding for this research was provided by:
DJO, Inc.
Article History
Received: 24 May 2018
Accepted: 29 October 2018
First Online: 1 November 2018
Compliance with ethical standards
:
: The authors declare no conflicts of interest in association with the present study.
: The institutional review board (IRB) for human subject research in University of Pittsburgh approved all aspects of this study (ID: PRO08060104).
: Informed consent was obtained from all patients before the enrollment.