Funding for this research was provided by:
Global Health Equity Scholars Program (R25 TW009338)
Received: 5 February 2019
Accepted: 16 May 2019
First Online: 29 May 2019
Ethics approval and consent to participate
: The Ethics Committees of the University of California, Berkeley and <i>Universidade Federal Fluminense</i> (CAAE: 26823614.2.0000.5243) approved this study. Legal guardians of all participants provided written consent.
: Not applicable.
: The authors declare that they have no competing interests.
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