1. Institute of Physics, Academia Sinica, Taipei 115, Taiwan
2. Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
3. Japan Synchrotron Radiation Research Institute/Spring-8, Hyogo 679-5198, Japan
4. Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan
5. Research Center for Applied Sciences, Academia Sinica, Taipei 115, Taiwan
6. Genomics Research Center, Academia Sinica, Taipei 115, Taiwan
7. RIKEN SPring-8 Center, Hyogo 679-5148, Japan