1. Max Planck Institute for Polymer Research
2. 55128 Mainz
3. Germany
4. Max Planck Institute for Intelligent Systems
5. 70569 Stuttgart
6. Institute for Theoretical Physics IV
7. University of Stuttgart
8. Institute of Physics
9. Johannes Gutenberg University Mainz
10. Deutsches Elektronen-Synchrotron DESY
11. 22607 Hamburg
12. ESRF-The European Synchrotron
13. 38043 Grenoble Cedex 9
14. France