Chacon-Portillo, Martin A.
Llinas, Rafael H.
Marsh, Elisabeth B.
Article History
Received: 29 October 2017
Accepted: 28 February 2018
First Online: 27 March 2018
Ethics approval and consent to participate
: The study received data protection approval and approval by the Johns Hopkins Institutional Review Board, and is in accordance with the Declaration of Helsinki, 2013. Although human subjects were included in the population analyzed for this study, there was no prospective enrollment of patients or direct patient contact. This retrospective study was only based on electronic record and chart review. This data was not made known to anyone other than select research personnel. All research staff underwent Human Subjects Protection training and HIPAA training prior to working on a research study, Consent to participate was not applicable due to the design and methodology of this study.
: Not applicable
: All authors declare that they have no competing interests.
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