1 Institute of Global Health Sciences, University of California at San Francisco, San Francisco, CA 94158, USA. Electronic address: michael.reid2@ucsf.edu.
2 Palladium Group, Nairobi, Kenya.
3 Center for Community Based Research, Human Sciences Research Council, Pietermaritzburg, South Africa; SAMRC/WITS Developmental Pathways for Health Research Unit, Department of Paediatrics, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
4 Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.
5 ITPC Global, Johannesburg, South Africa.
6 Audere, Seattle, WA, USA.
7 Ministry of Health, Kampala, Uganda.
8 The Bill & Melinda Gates Foundation, Seattle, WA, USA.