1. Division of Hospital Medicine, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee
2. Division of Pharmacoepidemiology, Department of Health Policy, Vanderbilt University Medical Center, Nashville, Tennessee
3. Division of Pharmacoepidemiology, Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, Tennessee
4. Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee
5. Division of Pediatric Infectious Diseases, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee