1. Advanced Functional Polymers (AFP) Group, Institute for Materials Research (Imo-Imomec), Hasselt University, Martelarenlaan 42, 3500 Hasselt, Belgium
2. Department of Complex Tissue Regeneration, MERLN Institute for Technology Inspired Regenerative Medicine, Maastricht University, P.O. Box 616, 6200 MD Maastricht, the Netherlands
3. Soft Matter, Rheology and Technology, Department of Chemical Engineering, KU Leuven, 3000 Leuven, Belgium