1. Department of Immunology Erasmus MC University Medical Center Rotterdam The Netherlands
2. Grupo de Inmunodeficiencias Primarias Universidad de Antioquia UdeA Medellín Colombia
3. Department of Internal Medicine Erasmus MC University Medical Center Rotterdam The Netherlands
4. Clinical Immunology Department of Laboratory Medicine Karolinska Institutet at Karolinska University Hospital Huddinge Sweden
5. Bioceros B.V. Utrecht The Netherlands
6. Department of Immunohematology and Blood Transfusion Leiden University Medical Center Leiden The Netherlands
7. Laboratory for Immunology Department of Pediatrics Leiden University Medical Center Leiden The Netherlands
8. Department of Immunology and Pathology Central Clinical School Monash University and The Alfred Hospital Melbourne VIC Australia
9. The Jeffrey Modell Diagnostic and Research Center for Primary Immunodeficiencies in Melbourne Melbourne VIC Australia