1. From the Departments of Medicine (R.J.G., F.D.L.), Surgery (Y.N.), and Pathology (F.D.L.), Columbia University College of Physicians and Surgeons, New York, NY; Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY (R.J.G.); International Center for Health Outcomes and Innovation Research, Department of Health Evidence and Policy (A.D.W., J.C.G., J.F., D.D.A., A.J.M., E.A.R., A.C.G.) and Zena and Michael A. Wiener Cardiovascular Institute (D.D.A.), Mount Sinai...
2. University of Michigan Healthcare System
3. Advocate Christ Medical Center, Oak Lawn, IL
4. Columbia University Medical Center
5. Montefiore Medical Center
6. Sharp Memorial Hospital, San Diego, CA
7. Providence Sacred Heart Medical Center, Spokane, WA
8. Aurora St. Lukes Medical Center, Milwaukee, WI
9. University of Wisconsin School of Medicine & Public Health, Madison, WI
10. LDS Hospital / Intermountain, Salt Lake City, UT
11. University of Pennsylvania, Philadelphia, PA
12. Jewish Hospital, Louisville, KY