1. Department of Biological Repair, Institute for Frontier Medical SciencesInstitute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
2. Department of Cell Growth and Differentiation, Center for iPS Cell Research and ApplicationInstitute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
3. Department of Neurosurgery, Clinical Neuroscience, Graduate School of Medicine,Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
4. Functional Probe Research Laboratory, RIKEN Center for Molecular Imaging Science, Kobe, Japan
5. Organogenesis and Neurogenesis Group, RIKEN Center for Developmental Biology, Kobe, Japan
6. Laboratory of Embryonic Stem Cell Research, Stem Cell Research Center, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan