1. Division of Stem Cell Therapy, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, University of Tokyo, Tokyo 108-8639, Japan.
2. Department of Pathology, Research Hospital, The Institute of Medical Science, University of Tokyo, Tokyo 108-8639, Japan.
3. Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Lorry I. Lokey Stem Cell Research Building, 265 Campus Drive, Stanford, CA 94305-5461, USA.
4. Division of Stem Cell Cellomics, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, University of Tokyo, Tokyo 108-8639, Japan.
5. Impulsing Paradigm Change through Disruptive Technologies Program (ImPACT), Japan Science and Technology Agency (JST), Tokyo 102-0076, Japan.