1. Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
2. CellCoTec, Bilthoven, The Netherlands
3. Laboratory of Musculoskeletal Tissue Engineering, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
4. Division of Plastic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
5. Faculty of Veterinary Medicine, University of Utrecht, Utrecht, The Netherlands
6. MIRA Institute for Biotechnology and Technical Medicine, University Twente, Enschede, The Netherlands