Division of Neonatology, The Children's Hospital of Philadelphia (E.G.S., D.M.-W., M.P., C.M., K.P., D.M., M.M.-P., H.H.B., S.A.L., S.C.H.); Leonard Davis Institute of Health Economics (E.G.S., S.M.-W., M.-M.P., H.H.B., S.A.L., S.C.H.); Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania (D.M.-W., C.M., H.H.B., S.A.L., S.C.H.), Philadelphia, PA; Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA (M.M.P.); and Departments of Pediatrics and Population Health (R.O.), Institute for Excellence in Health Equity, NYU Grossman School of Medicine, New York, NY