1. Department of Supramolecular & Biomaterials Chemistry Leiden Institute of Chemistry (LIC) Leiden University P. O. Box 9502 Leiden 2300 RA The Netherlands
2. NeCEN Leiden University Einsteinweg 55 Leiden 2333 AL The Netherlands
3. Department of Chemical Engineering and Chemistry Eindhoven University of Technology P. O. Box 513 Eindhoven 5600 MB The Netherlands
4. Department of Medical Biochemistry Leiden Institute of Chemistry (LIC) Leiden University P. O. Box 9502 Leiden 2300 RA The Netherlands
5. Department of Medical BioSciences and Radboud Technology Center – Electron Microscopy Radboud University Medical Center Nijmegen 6525 GA The Netherlands
6. Department of Physics Technical University Dortmund 44221 Dortmund Germany
7. Department of Biophysical Organic Chemistry Leiden Institute of Chemistry (LIC) Leiden University P. O. Box 9502 Leiden 2300 RA The Netherlands