1. Department of Immunology‐Allergology CHU BrugmannUniversité Libre de Bruxelles (ULB) Brussels Belgium
2. Department of Dermatology CHU BrugmannUniversité Libre de Bruxelles (ULB) Brussels Belgium
3. Department of Rheumatology CHU BrugmannUniversité Libre de Bruxelles (ULB) Brussels Belgium
4. Department of Immunology IRIS Laboratory CHU BrugmannUniversité Libre de Bruxelles (ULB) Brussels Belgium
5. Department of Rheumatology Ghent University HospitalUniversity Hospital (UZ) Ghent Ghent Belgium