1. Department of Experimental Molecular Imaging; RWTH Aachen University; Pauwelsstrasse 30 52074 Aachen Germany
2. Institute of Chemistry and Biology of Membranes and Nano-objects, CBMN UMR 5248; University of Bordeaux; Allée Geoffroy St Hilaire, Bâtiment B14 33600 Pessac France
3. Leibniz Institute for Molecular Pharmacology; Robert-Roessle-Strasse 10 13125 Berlin Germany
4. Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences; Utrecht University; Universiteitsweg 99 3508 Utrecht TB The Netherlands