1. Department of Biomolecular Engineering; Graduate School of Bioscience and Biotechnology; Tokyo Institute of Technology; Nagatsuta-cho, 4259-B55 Midori-ku Yokohama 226-8501 Japan
2. Center for Advanced Insect Research Promotion; Kyoto Institute of Technology; Matsugasaki Sakyo-ku Kyoto 606-8585 Japan
3. SR Life Science Instrumentation Unit; RIKEN/SPring-8 Center, 1-1-1, Kouto, Sayo-cho Sayo-gun Hyogo 679-5148 Japan