1. School of Biological Sciences, University of Utah, Salt Lake City, Utah, USA
2. Graduate School of Frontiers Bioscience, Osaka University, Suita, Osaka, Japan
3. RIKEN Center for Biosystems Dynamics Research and SPring-8 Center, Suita, Osaka, Japan
4. JEOL YOKOGUSHI Research Alliance Laboratories, Osaka University, Suita, Osaka, Japan