1. Division of Nephrology, Department of Internal Medicine, ULB-VUB Center for Hereditary Metabolic Diseases, Brugmann University Hospital, Université Libre de Bruxelles, Brussels, Belgium
2. Division of Nephrology, Department of Internal Medicine, Brugmann University Hospital, Université Libre de Bruxelles, Brussels, Belgium
3. Department of Pathology, Brugmann University Hospital and UZ Brussel, Vrije Universiteit Brussel, Brussels, Belgium
4. Department of Internal Medicine and Reference Center for Vasculitis and Systemic Sclerosis, Cochin Hospital, Assistance Publique-Hôpitaux de Paris (AP-HP), Faculty of Medicine, Paris-Descartes University, Paris, France
5. Department of Intensive Care, Brugmann University Hospital, Université Libre de Bruxelles, Brussels, Belgium
6. National Reference Center for the Complement System, Laboratory of Immunology, LHUB-ULB, Université Libre de Bruxelles, Brussels, Belgium