1. Quality, Outcomes Research and Analytics Department, American Heart Association, Dallas, TX (H.M.A., C.R., J.H.W., J.G.W., M.B., J.L.H.).
2. University of Minnesota, Minneapolis, MN (J.L.H.).
3. Healthcare Delivery Innovation Center; Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Minneapolis, MN (S.M.B.).
4. Vagelos College of Physicians and Surgeons and Mailman School of Public Health, Columbia University, New York, NY (M.S.V.E.).
5. New York-Presbyterian Hospital New York (M.S.V.E.).
6. Stanford University School of Medicine, Palo Alto, CA (F.R.).
7. Duke Clinical Research Institute, Duke University, Durham, NC (T.Y.W.).
8. Levine Cardiac Intensive Care Unit, Harvard Medical School, Boston, MA (D.A.M.).
9. UT Southwestern Medical Center, Dallas, TX (S.R.D., J.A.d.L.).