1. Department
of Chemistry, Stanford University, Stanford, California 94305, United States
2. Research
Reactor Institute, Kyoto University, Kumatori-Cho, Osaka, 590-0494, Japan
3. Spring
8/JASRI, Sayo-gun, Hyogo, 679-5198, Japan
4. Advanced
Photon Source, Argonne National Laboratory, Lemont, Illinois 60439, United States