1. Johns Hopkins University School of Medicine, Baltimore, Maryland.
2. Kilimanjaro Christian Medical Center, KCMC-Duke Collaboration, Moshi, Tanzania.
3. Duke Global Health Institute, Duke University, Durham, North Carolina.
4. Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina.
5. Pediatrics, Infectious Diseases, Duke University, Durham, North Carolina.