1. Division of Cardiovascular Medicine, Department of Internal Medicine (D.M.A., D.S., H.S.G., B.K.N.)
2. University of Michigan Medical School, Ann Arbor. Blue Cross Blue Shield of Michigan Cardiovascular Collaborative, Ann Arbor, MI (M.S., H.S.G.).
3. Department of Urology (D.C.M., J.M.D., J.S.)
4. Blue Cross Blue Shield Michigan Value Collaborative, Ann Arbor, MI (D.C.M., J.M.D., J.S.).
5. Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor (D.S., E.A.K., B.K.N. J.M.D.).
6. Department of Cardiovascular Medicine, Beaumont Hospital Royal Oak, MI (S.D.).
7. Ann Arbor Veterans Affairs Center for Clinical Management Research, MI (E.A.K., H.S.G., B.K.N.).