1. Department of Immunology, Institute of Biomedical Sciences; University of São Paulo; São Paulo Brazil
2. Children's Hospital Little Prince; Research Institute Pelé Little Prince; Curitiba Brazil
3. Center for Investigation in Pediatrics; State University of Campinas Medical School; Campinas Brazil
4. Immunodeficiency Research Unit; National Institute of Pediatrics; Mexico City Mexico
5. Centro de Investigacion de Estudios Avanzados del Instituto Politécnico Nacional; Mexico City Mexico
6. Departamento de Alergia e Inmunología; Hospital Infantil de México “Federico Gómez”; Ciudad de México Mexico
7. Hospital Luis Calvo Mackenna; Santiago Chile
8. Department of Pediatrics and JMF Diagnostic Center for PIDD; Louisiana State University Health Sciences Center; New Orleans Louisiana
9. Hospital Nacional de Niños; “Dr. Carlos Sáenz Herrera”; San Jose Costa Rica
10. Department of Pediatrics; Ribeirão Preto Medical School, University of São Paulo; Ribeirão Preto Brazil
11. Departamento de Pediatria; Hospital Santa Casa de Misericórdia; São Paulo Brazil
12. Division Alergia e Inmunologia Clinica; Hospital de Ninos de la Santisima Trinidad; Cordoba Argentina
13. Department of Allergy and Immunology, Queen Fabiola University Clinic; Catholic University of Cordoba; Cordoba Argentina
14. Hospital de Niños Vitor. J. Vilela; Rosario Argentina
15. Unidad de Inmunología; Hospital de Niños Sor María Ludovica La Plata; Buenos Aires Argentina
16. Department of Medicine; ABC Medical School; Santo André Brazil
17. Department of Pediatrics; Federal University of São Paulo; São Paulo Brazil
18. Laboratory of Human Genetics of Infectious Diseases, Institut National de la Santé et de la Recherche Médicale, INSERM U1163 Imagine Institute; University Paris Descartes; Paris France
19. Center for the Study of Primary Immunodeficiencies, Assistance Publique-Hôpitaux de Paris (AP-HP); Necker-Enfants Malades Hospital; Paris France
20. Dr. Ricardo Gutierrez Children's Hospital; Immunology; Buenos Aires Argentina
21. Servicio de Inmunología y Reumatología; Hospital Nacional de Pediatría Prof. Dr. Juan P. Garrahan; Buenos Aires Argentina