1. Skeletal Biology and Engineering Research Center, KU Leuven Department of Development and Regeneration, Leuven, Belgium
2. Rheumatology, University Hospitals Leuven, Leuven, Belgium
3. Reuma Instituut Hasselt, Hasselt, Belgium
4. Rheumatology, CHU Brugmann, Brussels, Belgium
5. Rheumatology, AZ Herentals, Herentals, Belgium
6. Rheumatology, GZA Sint-Augustinus Antwerpen, Antwerpen, Belgium
7. Rheumatology, Heilig Hart Ziekenhuis Leuven, Leuven, Belgium
8. Rheumatology, ZNA Jan Palfijn Antwerpen, Antwerpen, Belgium
9. Rheumatology, UZA, Antwerpen, Belgium