1. a General Pediatrics , Children's Hospital of Philadelphia , Philadelphia , PA , USA
2. b Department of Pediatrics , University of Pennsylvania , Philadelphia , PA , USA
3. c Botswana-Upenn Partnership , Gaborone , Botswana
4. d Department of Neurology , University of Pennsylvania , Philadelphia , PA , USA
5. e Robert Wood Johnson Foundation Clinical Scholars Program , Yale University School of Medicine , New Haven , CT , USA
6. f School of Medicine , University of Botswana , Gaborone , Botswana
7. g Nyangabgwe Hospital , Francistown , Botswana
8. h Letsholathebe Hospital , Maun , Botswana
9. i Department of Nursing Education , University of Botswana , Gaborone , Botswana
10. j Department of Medicine (Infectious Diseases and Epidemiology) , University of Pennsylvania , Philadelphia , PA