1. Department of Applied Physics; Research Unit Plasma Technology (RUPT); Faculty of Engineering and Architecture; Ghent University; Sint-Pietersnieuwstraat 41 B4 9000 Ghent Belgium
2. Department of Organic and Macromolecular Chemistry; Supramolecular Chemistry Group; Faculty of Sciences; Ghent University; Krijgslaan 281 S4 9000 Ghent Belgium
3. Department of Basic Medical Sciences; Tissue Engineering Group; Faculty of Medicine and Health Sciences; Ghent University; De Pintelaan 185, B3 9000 Ghent Belgium