From Department of Cardiovascular Diseases, Mayo Clinic, Rochester, MN (R.M.M., H.-C.L., B.J.G., P.A.N., N.M.A., K.F., W.E.W., J.B.S., D.L.P., C.S.R., S.J.A.); Department of Cardiovascular Surgery, Mayo Clinic, Rochester, MN (H.V.S.); and Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN (K.R.B., S.S.C.). (At 2017-01-24)