1. aDepartment of Epidemiology and Biostatistics
2. bDrexel Urban Health Collaborative, Dornsife School of Public Health, Drexel University, Philadelphia, Pennsylvania
3. cSt Christopher’s Hospital for Children, Philadelphia, Pennsylvania
4. dBoston University School of Public Health and Chobanian and Avedisian School of Medicine, Boston, Massachusetts
5. eDepartment of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
6. fPediatrics at the Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
7. gDepartment of Health Management and Policy, Dornsife School of Public Health, Drexel University, Philadelphia, Pennsylvania