1. Experimental Rheumatology and Advanced Therapeutics, St. Radboud University Medical Centre Nijmegen, Nijmegen, The Netherlands.
2. Orthopaedic Research Laboratory, Department of Orthopaedics, University Medical Centre Nijmegen, Nijmegen, The Netherlands.
3. Department of Applied Biology, Radboud University Nijmegen, Nijmegen, The Netherlands.