1. Division of Signal Transduction
2. Laboratory for Neuronal Growth Mechanisms, Brain Science Institute, Institute of Physical and Chemical Research (RIKEN), Saitama 351-0198, Japan
3. Biomedical Imaging and Informatics, Nara Institute of Science and Technology, Ikoma 630-0192, Japan
4. Department of Pharmacology, Kyoto University Faculty of Medicine, Kyoto 606-8501, Japan