1. Department of Pediatrics, New York University School of Medicine and Bellevue Hospital Center, New York, New York;
2. Department of Pediatrics, and
3. Health Literacy and Learning Program, Center for Communication in Healthcare, Division of General Internal Medicine, and Institute for Healthcare Studies, Feinberg School of Medicine, Northwestern University, Chicago, Illinois; and
4. Children’s Memorial Hospital, Smith Child Health Research Program, Chicago, Illinois