| Affiliation: | 1. Department of Bioethics, Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106-4976, USA;2. Massachusetts General Hospital Cancer Center and Center for Regenerative Medicine, Harvard Stem Cell Institute, 185 Cambridge Street, Boston, MA 02114, USA;3. Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology, 9 Cambridge Center, Cambridge, MA 02142, USA;4. Department of Biology, Massachusetts Institute of Technology, 9 Cambridge Center, Cambridge, MA 02142, USA;5. Department of Stem Cell Biology, Institute for Frontier Medical Sciences, Kyoto University, Kyoto 606-8507, Japan;6. CREST, Japan Science and Technology Agency, Kawaguchi 332-0012, Japan |
