1. Department of Pharmaceutics
2. Utrecht Institute for Pharmaceutical Sciences
3. Utrecht University
4. Utrecht
5. The Netherlands
6. Department of Nanomedicine and Theranostics
7. Institute for Experimental Molecular Imaging
8. RWTH Aachen University Clinic
9. 52074 Aachen
10. Germany
11. Institute of Macromolecular Chemistry
12. Czech Academy of Sciences
13. 162 06 Prague 6
14. Czech Republic