1. J.R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506, USA
2. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
3. Deutsches Elektronen-Synchrotron (DESY), 22607 Hamburg, Germany
4. SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
5. Department of Physics, University of Connecticut, Storrs, Connecticut 06269, USA
6. Hobart and William Smith Colleges, Geneva, New York 14456, USA
7. Max Planck Institute for Nuclear Physics, 69117 Heidelberg, Germany
8. Department of Chemistry, University of California, Berkeley, California 94720, USA