1. Evidence-Based Practice Center, ECRI Center for Clinical Excellence and Guidelines, Plymouth Meeting, Pennsylvania
2. Division of Neurology, Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania
3. University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
4. Down Syndrome Clinic and Research Center, Kennedy Krieger Institute, Baltimore, Maryland
5. Johns Hopkins School of Medicine, Baltimore, Maryland
6. Advocate Medical Group Adult Down Syndrome Center, Park Ridge, Illinois
7. Global Down Syndrome Foundation, Denver, Colorado
8. Division of Hematology, Department of Pathology and Laboratory Services, Department of Internal Medicine, University of Arkansas for Medical Sciences, Little Rock
9. Division of General Internal Medicine, University of Colorado School of Medicine, Anschutz Medical Center, Aurora
10. Private Practice, Evanston, Illinois
11. University of Arkansas for Medical Sciences, Little Rock
12. University of Kansas Medical Center Schools of Nursing and Medicine, Kansas City
13. Developmental Disabilities—Practice-Based Research Network, Cleveland, Ohio
14. Family Medicine and Community Health, Cleveland Clinic Lerner College of Medicine, Case Western Reserve University School of Medicine, Cleveland, Ohio