1. Department of Anatomy and Cell Biology, Graduate School of Medicine, Kyoto University, Yoshida-Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan.
2. Japan Science and Technology Agency (JST), Exploratory Research for Advanced Technology (ERATO), Yoshida-Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan.
3. Institute for Integrated Cell-Material Sciences, Kyoto University, Yoshida-Ushinomiya-cho, Sakyo-ku, Kyoto 606-8501, Japan.
4. Center for iPS Cell Research and Application, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan.
5. Division of Epigenomics, Medical Institute of Bioregulation, and Epigenome Network Research Center, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan.
6. Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka 812-8582, Japan.
7. Agency for Medical Research and Development–Core Research for Evolutional Science and Technology (AMED-CREST), AMED, 1-7-1 Otemachi, Chiyoda-ku, Tokyo, 100-0004, Japan.