1. Nora Eccles Harrison Cardiovascular Research and Training Institute, University of Utah, Salt Lake City (R.B., D.K.A.R., P.F., I.T., T.S.S., A.T.K., S.N., C.H.S., D.C., S.G.D.).
2. Utah Transplant Affiliated Hospitals Cardiac Transplant Program, University of Utah Healthcare and School of Medicine Intermountain Medical Center, Salt Lake VA Health Care System, Salt Lake City (R.B., I.T., S.H.M., M.Y., A.G.K., O.W.-P., J.C.F., C.H.S., S.G.D.).
3. Division of Endocrinology, Metabolism and Diabetes and Fraternal Order of Eagles Diabetes Research Center, Carver College of Medicine, University of Iowa, Iowa City (E.D.A.).
4. Department of Biochemistry, University of Utah and Howard Hughes Medical Institute, Salt Lake City (J.R.).