1. Duke University Medical Center, Pediatrics, Infectious Diseases, Durham, NC, USA
2. Duke Global Health Institute, Durham, NC, USA
3. Kilimanjaro Christian Medical Centre, Moshi, Tanzania
4. Department of Biostatistics and Bioinformatics, Duke University, Durham, NC, USA
5. The Alpert Medical School of Brown University, Providence, RI, USA
6. Center for Health Policy and Inequalities Research, Duke University, Durham, NC, USA
7. Center for Child and Family Health, Duke University, Durham, NC, USA