1. Department of Pediatrics, University of Iowa Carver College of Medicine, Iowa City, Iowa;
2. Department of Microbiology, New York University School of Medicine, New York, New York;
3. Department of Pediatrics, New York University School of Medicine, New York, New York;
4. National Health Laboratory, Gaborone, Botswana;
5. Department of Paediatrics and Adolescent Health, Faculty of Medicine, University of Botswana, Gaborone, Botswana;
6. Children’s Hospital of Philadelphia Department of Pediatrics, Botswana-UPenn Partnership and Global Health Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania;
7. Bamalete Lutheran Hospital, Ramotswa, Botswana;
8. Princess Marina Hospital, Gaborone, Botswana;
9. Division of Pediatric Infectious Diseases, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania