A novel method for direct measurement of complement convertases activity in human serum

¹Lund University, Dept. Laboratory Medicine Malmö, Malmö, Sweden; ²Swedish Orphan Biovitrum AB, Stockholm, Sweden; ³Institute of Immunology, Oslo University Hospital Rikshospitalet and University of Oslo, Norway; ⁴Research Laboratory, NLSH, Bodø, and University of Tromsø, Norway;⁵Immunology Unit at University Hospital La Paz, IdiPAZ, Madrid, Spain; ⁶Centre for Biomedical Research on Rare Diseases (CIBERER), Madrid. Spain;⁷Department of Pediatric Nephrology and ⁸Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, The Netherlands; 9Department of Pediatrics, University Hospitals Leuven, Belgium; ¹⁰Institute of Human Genetics; ¹¹Institute of Cellular Medicine, University of Newcastle upon Tyne, UK