1. From Section of Cardiovascular Medicine, Department of Internal Medicine, Hospital of the University of Pennsylvania, Philadelphia (P.N.F.); Center for Outcomes Research and Evaluation, Yale–New Haven Hospital, New Haven, CT (K.E.M., J.J.B., J.P.C.); Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT (J.H., J.P.C.); Health Research & Educational Trust, Chicago, IL (J.H.); Department of Medicine, Division of Cardiology,...