1. Division of Cardiovascular Medicine, Keck School of Medicine of University of Southern California, Los Angeles, CA
2. Cardiovascular Institute and Division of Cardiovascular Medicine, Stanford University, Stanford, CA
3. Division of Cardiology, Harbor‐UCLA Medical Center, Torrance, CA
4. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
5. Departments of Pathology & Laboratory Medicine, and Biochemistry, University of Vermont College of Medicine, Colchester, VT
6. Northwestern University, Evanston, IL
7. University of Pittsburgh, PA
8. Division of Cardiology, Department of Medicine, Johns Hopkins School of Medicine, Baltimore, MD