[1] Ghent Univ Hosp, Primary Immunodeficiency Res Lab, Ghent, Belgium
[2] Ghent Univ Hosp, Dept Hematol, Ctr Primary Immunodeficiency Ghent, Jeffrey Modell Diag & Res Ctr, Ghent, Belgium
[3] Ghent Univ Hosp, Dept Pediat, Div Pediat Pulmonol Infect Dis & Immunol, Ghent, Belgium
[4] Ghent Univ Hosp, Div Lab Med, Dept Clin Chem, Ghent, Belgium
[5] Univ Libre Bruxelles, Belgian Natl Reference Ctr Complement Syst, Immunol Lab, LHUB ULB, Brussels, Belgium
[6] VIB Inflammat Res Ctr, Immunoregulat Lab, Ghent, Belgium
[7] Univ Hosp Ghent, Div Pediat Neurol, Dept Pediat, Ghent, Belgium
[8] Univ Ziekenhuis Brussel, Dept Pediat, Div Pediat Oncol & Immunol, Jette, Belgium
[9] Univ Libre Bruxelles, Dept Pediat, Dept Haematol Oncol, Childrens Univ Hosp Queen Fabiola, Brussels, Belgium
[10] Inst Pathol & Genet, Dept Human Genet, Gosselies, Belgium
[11] Univ Hosp Ghent, Div Pediat Nephrol, Dept Pediat, Ghent, Belgium
[12] Hosp Sick Children, Dept Pediat, Div Pediat Nephrol, Toronto, ON, Canada
[13] Univ Paris, Ctr Rech Cordeliers, INSERM, Sorbonne Univ, Paris, France