1. Institute of Solid State Physics, Graz University of Technology, Petersgasse 16, 8010 Graz, Austria
2. Laboratoire de Chimie des Polymères, Faculté des Sciences, Université Libre de Bruxelles (ULB), CP 206/1, Boulevard du Triomphe, 1050 Bruxelles, Belgium
3. Department for Pharmaceutical Technology and Biopharmacy, Institute of Pharmaceutical Sciences, Graz University, Universitätsplatz 1, 8010 Graz, Austria
4. JOANNEUM RESEARCH Forschungsgesellschaft mbH, Institute for Surface Technologies and Photonics, Franz-Pichler-Straße 30, 8160 Weiz, Austria
5. Division of Neuroradiology, Vascular and Interventional Radiology, Medical University Graz, Auenbruggerplatz 9, Graz, 8036, Austria
6. International Solvay Institutes of Physics and Chemistry, Brussels, Belgium