Funding for this research was provided by:
National Institutes of Health (P30AI094189, USB1-31147-XX-13)
Fogarty International Center (D43TW009574)
Received: 17 January 2018
Accepted: 25 April 2018
First Online: 2 May 2018
Ethics approval and consent to participate
: This research was approved by BJGMC Clinical Trials Unit ethics review committee and the Johns Hopkins IRB. The Johns Hopkins Medicine IRB and the BJGMC Clinical Trials Unit IRB approved a verbal consent process, as the study involved minimal risk. All participants were verbally consented and agreed to participate.
: The authors declare that they have no competing interests.
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