Funding for this research was provided by:
Fogarty International Center of the National Institutes of Health (D43 TW009744)
Received: 24 May 2019
Accepted: 11 July 2019
First Online: 16 July 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the University of Zambia Health Sciences Research Ethics Committee (UNZAHSREC) (Assurance no. FWA00026270, IRB no. 00011000) on the 2<sup>nd</sup> April 2019. Permission to conduct the study was granted by the Livingstone Central Hospital Administration. All participants will be asked to consent by signing a consent form before being included in the study. All data collected will de-identified and used for research purposes only.
: Not applicable.
: The authors declare that they have no competing interests.