1. Developmental Neurobiology Unit, Okinawa Institute of Science and Technology Graduate University, Onna, Okinawa 904-0495, Japan
2. Department of Neurology, Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
3. Department of Neurology, Faculty of Medicine, Fukuoka University, Fukuoka 814-0180, Japan
4. Department of Physiological Chemistry, Faculty of Medicine and Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-8575, Japan
5. Present address: Department of Hygienic Sciences, Kobe Pharmaceutical University, Kobe 658-8558, Japan
6. Present address: Heidelberg Institute for Stem Cell Technology and Experimental Medicine, German Cancer Research Center, Heidelberg 69120, Germany
7. Laboratory of Molecular Biochemistry, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji, Tokyo 192-0392, Japan
8. State Key Laboratory of Biomembrane and Membrane Biology, Peking-Tsinghua Center for Life Sciences, PKU-IDG/McGovern Institute for Brain Research, Peking University School of Life Sciences, Beijing 100871, China
9. Center for Advanced Medical Innovation, Kyushu University, Fukuoka 812-8582, Japan
10. Department of Clinical Chemistry and Laboratory Medicine, Kyushu University Graduate School of Medical Sciences, Fukuoka 812-8582, Japan