Munthali, Richard J.
Kagura, Juliana
Lombard, Zané
Norris, Shane A.
Funding for this research was provided by:
Wellcome Trust (UK) ([grant number 092097/Z/10/Z])
National Research Foundation of South Africa ([Award No. 94007])
The South African Medical Research Council
The University of Witwatersrand
DST-NRF Centre of Excellence in Human Development, University of the Witwatersrand
UK MRC/DFID African Research Leader Scheme.