Funding for this research was provided by:
National Center for Advancing Translational Sciences (1UL1TR001111)
Received: 13 January 2016
Accepted: 23 December 2016
First Online: 10 January 2017
Compliance with Ethical Standards
: The authors declare that there is no conflict of interest regarding the publication of this paper. All authors certify responsibility for this article.
: The study was performed in accordance with the tenants of the Declaration of Helsinki (1964) and was HIPAA compliant. This study was approved by the University of North Carolina at Chapel Hill Institutional Review Board and was conducted with the human subjects’ understanding and consent.