Funding for this research was provided by:
National Institute of General Medical Sciences (U54-GM104941)
National Center for Advancing Translational Sciences (UL1-TR001450)
SmartState Program of South Carolina (N/A)
Received: 10 February 2019
Accepted: 11 August 2019
First Online: 19 August 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board for Human Research (IRB) at the Medical University of South Carolina (MUSC) under protocol # Pro00080055. A waiver of informed consent was approved by the IRB, due to the fact that the research involved a retrospective chart review of a few thousand records; the research involves no more than minimal risk to the subjects; and the research could not practicably be carried out without the waiver of consent.
: Not applicable, since this protocol was approved by the IRB under a waiver of informed consent.
: The authors declare that they have no competing interests.