1. Department of Orthopaedics University Medical Center Utrecht P.O. Box 85500 Utrecht GA 3508 The Netherlands
2. Department of Biomedical Engineering Eindhoven University of Technology P. O. Box 513 Eindhoven MB 5600 The Netherlands
3. Regenerative Medicine Center Utrecht Uppsalalaan 8 Utrecht CT 3584 The Netherlands
4. Department of Cardiology Experimental Cardiology Laboratory University Medical Center Utrecht P.O. Box 85500 Utrecht GA 3508 The Netherlands
5. Department of Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute University of Würzburg Pleicherwall 2 Würzburg 97070 Germany
6. Department of Pharmaceutics Utrecht Institute for Pharmaceutical Sciences (UIPS) Utrecht University P. O. Box 80082 Utrecht TB 3508 The Netherlands
7. Department of Equine Sciences Faculty of Veterinary Medicine Utrecht University Utrecht 3584 CM The Netherlands