Funding for this research was provided by:
National Institutes of Health (R24TW007988)
Received: 12 March 2018
Accepted: 18 December 2018
First Online: 5 January 2019
Ethics approval and consent to participate
: The study protocol was approved by the ethics committee of Hospital Nacional Dos de Mayo and the IRB committee of the University of Washington. Data were collected directly from patient charts in this study, a common process in Peru, and need for consent was waived by both the in-country review board, OFICIO N° 043–2015-CEIB-AI-OACDI-HNDM Comité de Etica en Investigación Biomedica Hospital Nacional Dos de Mayo, and the University of Washington institutional review board.
: Not applicable.
: The authors declare that there are no competing interests.
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