1. Basic and Translational Cardiovascular Research and Inherited Cardiac Arrhythmias Programs, Department of Cardiology, Boston Children’s Hospital, Harvard Medical School, MA (V.J.B., A.C., S.W., Y.A., R.J.H., F.L., D.A.H.-W., K.D.C., D.Z., D.J.A., W.T.P.).
2. Harvard Stem Cell Institute, Cambridge, MA (W.T.P.).