[1] Univ Pittsburgh, Childrens Hosp Pittsburgh, Dept Surg, Pittsburgh, PA 15213 USA
[2] Univ Pittsburgh, McGowan Inst Regenerat Med, Pittsburgh, PA USA
[3] Boston Childrens Hosp, Boston, MA USA
[4] Dana Farber Canc Inst, Boston, MA 02115 USA
[5] Harvard Univ, Sch Med, Broad Inst, Dept Biol Chem & Mol Pharmacol, Cambridge, MA 02138 USA
[6] Howard Hughes Med Inst, Chevy Chase, MD USA
[7] Univ Rochester, Med Ctr, Ctr Translat Neuromed, Rochester, NY 14642 USA
[8] Univ Copenhagen, Ctr Basic & Translat Neurosci, DK-1168 Copenhagen, Denmark
[9] Univ Pittsburgh, Sch Med, Dept Orthopaed Surg, Stem Cell Res Ctr, Pittsburgh, PA 15261 USA
[10] Univ Wisconsin, Dept Med, Stem Cell & Regenerat Med Ctr, Cellular & Mol Arrhythmia Res Program,Sch Med & P, Madison, WI USA
[11] Univ Pittsburgh, Childrens Hosp Pittsburgh, Div Immunogenet, Pittsburgh, PA 15213 USA