1. Division of Neuroradiology, Vascular and Interventional Radiology, Medical University Graz, Graz, Austria
2. Department of Physics, Department of Chemistry and Biochemistry, Centre for Research in Molecular Modeling (CERMM), Centre for NanoScience Research (CeNSR), Concordia University, Montreal, Canada
3. Institute of Solid State Physics, Graz University of Technology, Graz, Austria