1. Departments of Pediatrics (T. S. H.) and Medicine (K. J. M.), Indiana University School of Medicine Indianapolis Indiana
2. VA Puget Sound Health Care System and Department of Medicine, University of Washington Seattle Washington
3. University of Southern California Keck School of Medicine/Kaiser Permanente Southern California, Department of Medicine Los Angeles California
4. University of Colorado Denver/Children's Hospital Colorado, Department of Pediatrics Denver Colorado
5. University of Chicago Chicago Illinois
6. Children's Hospital of Pittsburgh, University of Pittsburgh Medical Center, Department of Pediatrics Pittsburgh Pennsylvania
7. Department of Pediatrics, Yale University New Haven Connecticut
8. George Washington University Biostatistics Center (RISE Coordinating Center) Rockville Maryland
9. National Institute of Diabetes, Digestive and Kidney Diseases Bethesda Maryland