1. Boston University School of Public Health, Department of Global Health, Boston, Massachusetts, USA
2. Right to Care – Zambia, Lusaka, Zambia
3. Boston University School of Medicine, Department of Pediatrics, Boston, Massachusetts, USA
4. Boston Medical Center, Division of Pediatric Infectious Diseases, Department of Pediatrics, Boston, Massachusetts, USA
5. Boston University School of Public Health, Department of Community Health, Boston, Massachusetts, USA
6. University of Zambia, School of Medicine, Department of Pediatrics, Lusaka, Zambia