Funding for this research was provided by:
National Center for Advancing Translational Sciences (UL1 TR001863 and KL2 TR001862)
National Institutes of Health (U54 GM088558, R01 AI112438, R01 AI130058)
National Institute for Health Research
Academy of Medical Sciences
Wellcome Trust (201470/Z/16/Z)
Received: 25 January 2018
Accepted: 26 June 2018
First Online: 3 August 2018
Ethics approval and consent to participate
: Institutional approval for the study was obtained from the Peruvian Ministry of Health. Ethical approval was obtained from the institutional review board of Universidad Peruana Cayetano Heredia (code 54109). Consent was not obtained from participants because the data were analyzed anonymously [CitationRef removed]. In addition, our use of these previously collected data for this current analysis were judged exempt by the Yale University Human Investigations Committee (HIC Protocol 1409014632).
: Not applicable.
: The authors declare that they have no competing interests.
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