[1] Tokyo University of Agriculture,Department of Bioscience, Faculty of Applied Bioscience
[2] Japan Science and Technology Agency,Core Research for Evolutional Science and Technology
[3] Institute of Medical Science,Division of Neuronal Network, Department of Basic Medical Sciences
[4] University of Tokyo,Laboratory of Neurophysiology, Department of Neuroscience
[5] Jikei University School of Medicine,Precursory Research for Embryonic Science and Technology
[6] Japan Science and Technology Agency,undefined