1. Max Planck Institute of Colloids and Interfaces, Science Park Potsdam-Golm, 14476 Potsdam, Germany
2. Georg-August-Universität Göttingen, Institute of Organic and
Biomolecular Chemistry, Tammannstr. 2, 37077 Göttingen, Germany
3. DESY, Forschungsbereich FS, Notkestr.
85, 22603 Hamburg, Germany
4. Freie Universität Berlin, Institute of
Chemistry and Biochemistry, Arnimallee 22, 14195 Berlin, Germany
5. Technische Universität Braunschweig, Institute
of Organic Chemistry, Hagenring 30, 38106 Braunschweig, Germany