1 Skeletal Biology and Engineering Research Center, KU Leuven Department of Development and Regeneration, Leuven, Belgium. Electronic address: [email protected].
2 Skeletal Biology and Engineering Research Center, KU Leuven Department of Development and Regeneration, Leuven, Belgium.
3 Skeletal Biology and Engineering Research Center, KU Leuven Department of Development and Regeneration, Leuven, Belgium; Department of Rheumatology, University Hospitals Leuven, Leuven, Belgium.