1. Laboratory for Nanosystems Physiology, Research Institute for Electronic Sciences, Hokkaido University, Kita20, Nishi10, Kita-ku, Sapporo, Hokkaido 001-0020, Japan
2. Promega BioSciences, 277 Granada Drive, San Luis Obispo, California 93401, United States
3. Promega KK, Matsumoto Building, 14-15 Nihonbashi, Odemacho, Chuo-Ku, Tokyo 103-0011, Japan
4. Promega Corporation, 2800 Woods Hollow Road, Madison, Wisconsin 53711, United States
5. Laboratory for Cell Function and Dynamics, Brain Science Institute, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
6. Precursory Research for Embryonic Science, Japan Science and Technology Agency, 5 Sanbancho, Chiyoda-ku, Tokyo 102-0075, Japan