1. Department of Nephrology and Renal Transplantation, University Hospitals Leuven, Leuven, Belgium
2. Laboratory of Nephrology, Department of Microbiology and Immunology, KU Leuven, University of Leuven, Leuven, Belgium
3. Department of Nephrology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
4. Department of Pediatrics, CHU Liège, Liège, Belgium
5. Department of Internal Medicine, Division of Nephrology, ULg, CHU Liège, Liège, Belgium
6. Department of Nephrology, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
7. Institut de Génétique et de Pathologie, IPG, Gosselies, Belgium
8. Queen Fabiola Children’s University Hospital, Brussels, Belgium
9. Immunobiology Clinic, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
10. Department of Nephrology, University Hospital Antwerp, Antwerp, Belgium
11. Department of Pediatrics, University Hospital Antwerp, Antwerp, Belgium
12. Department of Nephrology and Hypertension, Universitair Ziekenhuis Brussels, Brussels, Belgium
13. Department of Nephrology, University Hospital Ghent, Ghent, Belgium
14. Department of Pediatric Nephrology, University Hospitals Leuven, Leuven, Belgium
15. Department of Development and Regeneration, KU Leuven, Leuven, Belgium
16. Pediatric Department, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
17. Department of Pediatric Nephrology, University Hospital Ghent, Ghent, Belgium