1. Supramolecular Chemistry Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4, B-9000 Ghent, Belgium
2. Department of Pharmaceutics and Cancer Research Institute Ghent (CRIG), Ghent University, Ottergemsesteenweg 460, B-9000 Ghent, Belgium