1. Department of Global Health, Boston University School of Public Health, Boston, Massachusetts;
2. Section of Infectious Diseases, Boston University School of Medicine, Boston, Massachusetts;
3. National Emerging Infectious Diseases Laboratory, Boston University, Boston, Massachusetts;
4. Center for Emerging Infectious Diseases Policy and Research, Boston University, Boston, Massachusetts;
5. Right to Care Zambia, Lusaka, Zambia;
6. Swiss Tropical and Public Health Institute and University of Basel, Basel, Switzerland;
7. National Health Research Authority, Lusaka, Zambia