1. Division of Cardiology, Saint Luke's Mid America Heart Institute, Kansas City, MO (A.K.C., C.D., E.G., K.J., P.J., J.A.S.).
2. Department of Medicine, Division of Cardiology, University of Missouri-Kansas City, Kansas City, MO (A.K.C., C.D., J.A.S.).
3. Center for Children's Healthy Lifestyles & Nutrition, Department of Pediatrics, Children's Mercy Kansas City, Kansas City, MO (D.C.).
4. University of Missouri-Kansas City School of Medicine (D.C.).
5. Division of Health Services and Outcomes Research, Children's Mercy Kansas City, Kansas City, MO (K.G.).
6. University of Missouri-Kansas City Schools of Medicine and Pharmacy, Kansas City, MO (K.G.).
7. Society for Participatory Medicine, Newburyport, MA (D.d.B.).
8. United Healthcare, Overland Park, KS (T.S.).