1. Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
2. Institute of Organic Chemistry III; Ulm University; Albert-Einstein-Allee 11 89081 Ulm Germany
3. Institute for Physiology; Johannes Gutenberg University Mainz; Duesbergweg 6 55128 Mainz Germany
4. Institute for Biochemistry and Molecular Biology; Ulm University; Albert-Einstein-Allee 11 89081 Ulm Germany
5. Institute for Quantum Optics; Ulm University; Albert-Einstein-Allee 11 89081 Ulm Germany
6. Institute of Chemistry; Martin-Luther-Universität; Halle-Wittenberg Von-Danckelmann-Platz 4 06120 Halle (Saale) Germany