1. Division of Primary Care and Population Health (C.B.-J., A.A., M.W., S.H., S.V., S.M.A.), Department of Medicine, Stanford University School of Medicine, CA.
2. Division of Cardiovascular Medicine (J.C., P.H., A.T.S., N.M.K.), Department of Medicine, Stanford University School of Medicine, CA.
3. Veteran Affairs Palo Alto Healthcare System, CA (S.M.A.).
4. Cardiology Section, Medical Service, Veterans Affairs Palo Alto Health Care System (P.H., A.T.S and N.M.K.).