1. Department of Internal Medicine (A.S.T.), Mayo Clinic Arizona, Phoenix.
2. Division of Biomedical Statistics and Informatics (K.L.K., M.R.N.), Mayo Clinic Arizona, Phoenix.
3. Division of Cardiovascular Diseases (J.Z.L., S.K.M.), Mayo Clinic Arizona, Phoenix.
4. Division of Cardiovascular Diseases, Mayo Clinic Rochester, MN (M.A., A.M.K., M.M., Y.-M.C., S.J.A., P.A.F., B.J.G.).
5. Mayo Clinic Library Services (D.A.-D.), Mayo Clinic Arizona, Phoenix.