ACKNOWLEDGEMENT
The authors thank Dr. Robin Pierce (UBC, National Core for Neuroethics) for helpful comments on this commentary. The authors also thank Neuroethics Advisory Board Committee of RISTEX, JST (Juko Ando, Yuri Aono, Naotaka Fujii, Hiroko Goto, Manabu Honda, Kohji Ishihara, Chiaki Kagawa, Shinobu Masaki, Masato Taira, Mariko Tamai, Akiko Tamakoshi, and Dai Yanagihara) and Japan Children's Study group (Director, Zentaro Yamagata and Supervisor Hideaki Koizumi) for their vigorous support of our mission.