1. Rheumatology University Hospitals Leuven Leuven Belgium
2. European Reference Network on Rare and Complex Connective Tissue and Musculoskeletal Diseases (ERN ReCONNET); European Reference Network on Rare Immunodeficiency, Autoinflammatory and Autoimmune Diseases (ERN RITA) Leuven Belgium
3. Department of Microbiology, Immunology and Transplantation, Clinical and Diagnostic Immunology KU Leuven Leuven Belgium
4. Department of Development and Regeneration, Skeletal Biology and Engineering Research Center KU Leuven Leuven Belgium
5. Dermatology University Hospitals Leuven Leuven Belgium
6. Department of Microbiology, Immunology and Transplantation KU Leuven Leuven Belgium