[1] Kyoto Univ, Ctr iPS Cell Res & Applicat CiRA, Dept Clin Applicat, Kyoto, Japan
[2] Univ Wisconsin Madison, Stem Cell & Regenerat Med Ctr, Dept Comparat Biosci, Madison, WI 53706 USA
[3] Univ Wisconsin Madison, Stem Cell & Regenerat Med Ctr, Dept Biomed Engn, Madison, WI 53706 USA
[4] Univ Minnesota, Greg Marzolf Jr Muscular Dystrophy Ctr, Med Sch, Minneapolis, MN 55455 USA
[5] Univ Minnesota, Stem Cell Inst, Dept Neurol, Med Sch, Minneapolis, MN 55455 USA