1. Medicalincs, Silver Spring, MD (N.O.).
2. Harvard Medical School, Center for Primary Care, Boston, MA (N.O.).
3. Department of Medicine, Section of Cardiovascular Medicine, Dartmouth Hitchcock Health, Lebanon, NH (K.C.H.).
4. Division of Biomedical Informatics, Department of Medicine, University of California San Diego Health (A.M.S.).
5. Institute of Medical Educators, Kaiser Permanente Santa Clara, CA (D.W.).
6. Duke University School of Medicine, Duke Clinical Research Institute, Durham, NC (N.P.S).
7. American Heart Association, Department of Quality, Outcomes Research and Analytics, Dallas, TX (R.A.).
8. University of Maryland School of Medicine, Division of Health Sciences and Human Services, Baltimore (H.H.).