1. Duke University School of Medicine, Durham, North Carolina, USA.
2. Duke Global Health Institute, Duke University, Durham, North Carolina, USA.
3. Department of Population Health Sciences, Duke University Health System, Durham, North Carolina, USA.
4. Department of Pediatrics Infectious Diseases, Duke University Medical Center, Durham, North Carolina, USA.
5. Department of Radiation Oncology, Duke Cancer Institute, Durham, North Carolina, USA.