1. Division of Pediatric Infectious Diseases, Department of Pediatrics, Boston Medical Center, Boston, Massachusetts;
2. Department of Pediatrics, School of Medicine and
3. Department of Global Health, School of Public Health, Boston University, Boston, Massachusetts;
4. Right to Care, Equip, Lusaka, Zambia;
5. Medical College of Georgia, Augusta, Georgia; and
6. School of Medicine, University of California, San Diego, San Diego, California