1. Department of Cardiovascular Medicine (N.L.P., C.S.R., A.L.), Mayo Clinic, Rochester, MN.
2. Department of Molecular Pharmacology and Experimental Therapeutics (N.L.P., R.M.W., L.W.), Mayo Clinic, Rochester, MN.
3. University of Ottawa Heart Institute, Ontario, Canada (D.Y.F.S.).
4. National Heart, Lung, and Blood Institute, Bethesda, MD (Y.R., A.H., E.I., Y.-P.F., N.G.).
5. Department of Health Sciences Research (R.J.L., K.B.), Mayo Clinic, Rochester, MN.
6. Division of Cardiology, Loyola University Health System, Loyola University Chicago Stritch School of Medicine, Maywood, IL (V.M.).
7. St. Michael’s Hospital, University of Toronto, Ontario, Canada (S.G.G.).
8. Department of Laboratory Medicine and Pathology (L.M.B.), Mayo Clinic, Rochester, MN.
9. Peter Munk Cardiac Centre, Heart and Stroke Richard Lewar Centre, University of Toronto, Canada (M.E.F.).