1. Evaluation Solutions, Chicago, Illinois
2. Naomi Morris Center for Assessment and Evaluation, University of Illinois, Chicago, Illinois
3. Department of Pediatrics, Children's Memorial Hospital, Chicago, Illinois; Departments of
4. Pediatrics
5. Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
6. Mary Ann and J. Milburn Smith Child Health Research, Children's Memorial Research Center, Chicago, Illinois
7. Biostatistics Research Center, Tufts-New England Medical Center, Boston, Massachusetts
8. Pediatric Research in Office Settings, Department of Research, American Academy of Pediatrics, Elk Grove Village, Illinois
9. Cambridge Pediatrics, Waldorf, Maryland
10. Department of Pediatrics, Boston Medical Center and Boston University School of Medicine, Boston, Massachusetts