1. Division of Cardiovascular Medicine (N.S.W., S.B.P., A.T.O., J.P., N.R.), Perelman School of Medicine at the University of Pennsylvania.
2. Department of Medicine, Division of Cardiovascular Surgery, Department of Surgery (M.C.), Perelman School of Medicine at the University of Pennsylvania.
3. Division of Translational Medicine and Human Genetics (C.C., T.G.D.), Perelman School of Medicine at the University of Pennsylvania.
4. Mitochondrial Medicine Frontier Program, Division of Human Genetics, Department of Pediatrics, Children’s Hospital of Philadelphia, PA (A.G., J.T.P.).
5. Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia (I.T.R., M.P., P.L.).
6. Department of Genetics (T.G.D.), Perelman School of Medicine at the University of Pennsylvania.