1 Division of CNS Regeneration and Drug Discovery, International Center for Brain Science (ICBS), Fujita Health University, Kutsukake-Cho, Toyoake-Shi, Aichi, Japan (Okano Y, Okano H, Kase Y).
2 Department of Extended Intelligence for Medicine, The Ishii-Ishibashi Laboratory, Keio University School of Medicine, Shinanomachi, Shinjuku-Ku, Tokyo, Japan (Okano Y).
3 Keio University Regenerative Medicine Research Center, Kawasaki-ku, Kawasaki-shi, Japan (Okano H, Kase Y).