1. Indiana Center for Musculoskeletal Health, Department of Pathology and Laboratory Medicine, and Krannert Institute of Cardiology, Indiana University School of Medicine, Indianapolis (M.S.W).
2. Department of Pathology and Laboratory Medicine (T.L.P.), University of North Carolina School of Medicine, Chapel Hill.
3. McAllister Heart Institute (T.L.P., D.I.B., R.I.M., W.H., B.C.J.), University of North Carolina School of Medicine, Chapel Hill.
4. Division of Cardiology, Department of Medicine (M.C.C., B.C.J.), University of North Carolina School of Medicine, Chapel Hill.
5. Department of Biostatistical Sciences (R.B.D.), Wake Forest Health Sciences.
6. Section on Cardiovascular Medicine (J.J., W.G.H.), Wake Forest Health Sciences.
7. Department of Pharmacology (B.C.J.), University of North Carolina School of Medicine, Chapel Hill.