1 Primary Immune Deficiencies, Pediatric Immunology and Rheumatology, Department of Pediatrics, Hôpital Civil Marie Curie, CHU of Charleroi, Chaussée de Bruxelles 140, Lodelinsart, 6042, Charleroi, Belgium.
2 Pediatric Department, Cliniques de l'Europe Sainte-Elisabeth, 206 Avenue de Frélaan, 1180, Brussels, Belgium.
3 Primary Immune Deficiencies, Pediatric Immunology and Rheumatology, Department of Pediatrics, Hôpital Civil Marie Curie, CHU of Charleroi, Chaussée de Bruxelles 140, Lodelinsart, 6042, Charleroi, Belgium. [email protected].