1. Laboratory of Molecular Neurology, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan.
2. Laboratory of Molecular Pharmacology, National Research Institute for Child Health and Development, Setagaya, Tokyo 157-8535, Japan.
3. Laboratory of Ion Channel Pathophysiology, Doshisha University Graduate School of Brain Science, Kyotanabe, Kyoto 610-0394, Japan.
4. Department of Life Science and Informatics, Maebashi Institute of Technology, Maebashi, Gunma 371-0816, Japan.
5. Tsumura Research Laboratories, Tsumura & Co., Inashiki, Ibaraki 200-1192, Japan.
6. Laboratory of Glycobiology, The Noguchi Institute, Itabashi, Tokyo 173-0003, Japan.