1. From the University of Michigan, Division of Cardiology, Blue Cross Blue Shield of Michigan Cardiovascular Consortium Coordinating Center, Ann Arbor (M.M., D.S., E.K.R., C.M., S.M.J., K.A.E.); Center for Health Care Quality and Evaluative Studies, Blue Cross and Blue Shield of Michigan, Detroit (D.S.); St Joseph Mercy Hospital, Ann Arbor, Mich (M.O.); Spectrum Health, Grand Rapids, Mich (A.M.E., R.M.N.); Northern Michigan Hospital, Petoskey (W.L.M.); Harper Hospital, Detroit, Mich (J.G.M.); Henry...