1. Institute for Complex Molecular Systems, Eindhoven University of Technology, P. O. Box 513, Eindhoven, 5600 MB, The Netherlands
2. Department of Biomedical Engineering, Laboratory of Chemical Biology, Eindhoven University of Technology, P. O. Box 513, Eindhoven, 5600 MB, The Netherlands
3. Department of Biomedical Engineering, Laboratory for Cell and Tissue Engineering, Eindhoven University of Technology, P. W. Box 513, 5600 MB, The Netherlands