1. From the Department of Medicine, Division of Pharmacoepidemiology and Pharmacoeconomics, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA (W.C., A.P., J.A., K.I., W.H.S., N.K.C.); Department of Pharmacy, University of Washington, Seattle (W.C.); CVS Caremark, Woonsocket, RI (T.B.); and CVS Caremark, Northbrook, IL (O.S.M.).