1. Center for Healthcare Delivery Sciences, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA (J.L., J.C.L., N.K.C.)
2. Division of Pharmacoepidemiology and Pharmacoeconomics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA (J.L., J.J.G., J.F., J.C.L., G.B., N.K.C.),
3. Division of Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA (J.L.)