1. University College London, United Kingdom (P.E.).
2. Penn Presbyterian Medical Center, University of Pennsylvania Health System, Philadelphia (B.M.D.).
3. University of Maryland School of Medicine, Baltimore (S.S.G.).
4. University of Miami, FL (J.E.H.).
5. University of Michigan and Ann Arbor Veterans Affairs Health System (S.L.H.).
6. Washington University School of Medicine, St. Louis, MO (D.J.L.).
7. Pfizer Inc, Collegeville, PA (B.E.).
8. Pfizer Inc, Groton, CT (B.G.).
9. Pfizer Inc, New York, NY (B.L., M.B.S.).
10. Division of Cardiology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL (S.J.S.).