1. Department of Pharmacy, University of Maryland Medical Center, Baltimore
2. Department of Pharmacy, University of North Carolina (UNC) Health Care, Chapel Hill
3. Department of Biostatistics, School of Public Health, UNC, Chapel Hill
4. Clinical Microbiology–Immunology Laboratory, UNC Health Care
5. Pediatrics and Epidemiology, Departments of Medicine and Pediatrics
6. Department of Pathology and Laboratory Medicine, School of Medicine, UNC