1. Institute for Innovation, Ajinomoto Co., Inc., Suzuki-cho 1-1, Kawasaki-ku, Kawasaki, Japan
2. Department of Biochemistry, Faculty of Medicine, Saitama Medical University, Saitama, Japan
3. Department of Cognitive Neuroscience, Faculty of Pharma-Science, Teikyo University, Kaga 2-11-1, Itabashi, Tokyo, Japan
4. NeuroSpin, CEA-Saclay Center, Gif-sur-Yvette, France