Funding for this research was provided by:
Fogarty International Center (5D43TW009375-02)
Received: 6 February 2017
Accepted: 22 June 2017
First Online: 6 July 2017
Ethics approval and consent to participate
: The protocol and instruments were approved by the Institutional Ethics Committee of the Universidad Peruana Cayetano Heredia (IRB Approval #63624). All participants were eighteen years of age or older, informed of the purpose, benefits and risks of the study, and provided written informed consent prior to initiating their participation. No identifiers were included on study materials.
: Not applicable.
: The authors declare that they have no competing interests.
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