1. Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, KU Leuven, 3000 Leuven, Belgium.
2. Skeletal Biology and Engineering Research Center, KU Leuven, 3000 Leuven, Belgium.
3. Division of Rheumatology, University Hospitals Leuven, KU Leuven, 3000 Leuven, Belgium.