1. Polymer Chemistry and Biomaterials Research Group; Ghent University; Krijgslaan 281, S4-Bis B-9000 Ghent Belgium
2. Laboratory of General Biochemistry and Physical Pharmacy; Ghent University; Harelbekestraat 72 9000 Ghent Belgium
3. Centre for Nano- and Biophotonics; Ghent University; Harelbekestraat 72 9000 Ghent Belgium
4. Centre for Microsystems Technology (CMST); Imec and Ghent University; Technologiepark 914a 9052 Ghent Belgium
5. Department of Biomaterials; Radboud University Medical Centre; PO Box 9101 6500 HB Nijmegen The Netherlands
6. Department of Inorganic Chemistry, COMOC; Ghent University; Krijgslaan 281 S3 9000 Ghent Belgium
7. Department of Basic Medical Sciences, Tissue Engineering Group; Ghent University; De Pintelaan 185 (6B3) 9000 Ghent Belgium