1. Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands.
2. MIRA Institute for Biotechnology and Technical Medicine, University Twente, Enschede, The Netherlands.
3. Cell Therapy Facility, Department of Clinical Pharmacy, University Medical Center Utrecht, Utrecht, The Netherlands.
4. Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands.
5. Faculty of Veterinary Medicine, University of Utrecht, Utrecht, The Netherlands.