Funding for this research was provided by:
Global Diseases Detection/CDC (U19GH000622-01 MAL01)
International Atomic Energy Agency (17904, 19099, SAF 5013/5014)
South African Medical Research Council (Collaborating Centre)
National Research Foundation (64763)
Article History
Received: 25 September 2017
Accepted: 15 January 2018
First Online: 22 January 2018