1. Department of Chemistry, Stanford University, 333 Campus Drive, Stanford, California 94305-5080, United States
2. J. Heyrovský Institute of Physical Chemistry, The Czech Academy of Sciences, Dolejškova 3, Prague 8 182 23, Czech Republic
3. Department of Chemistry and Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
4. Japan Synchrotron Radiation Research Institute, Hyogo 679-5198, Japan
5. Research Reactor Institute, Kyoto University, Osaka 590-0494, Japan