Barrera, Christian A. http://orcid.org/0000-0002-5029-4743
Otero, Hansel J.
White, Ammie M.
Saul, David
Biko, David M.
Article History
Received: 9 May 2018
Accepted: 17 January 2019
First Online: 25 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: The need for written informed consent was waived in view of the retrospective nature of the research.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Declaration of Helsinki of 1964, as revised in 2008