1. Blood and Tissue Bank; Immunobiology Laboratory for Research and Diagnostic Applications (LIRAD); Barcelona Spain
2. Department of Immunology; Hospital Clinic; Barcelona Spain
3. Department of Pediatrics; University Hospital Germans Trias i Pujol; Badalona Spain
4. Department of Gastroenterology; University Hospital Germans Trias i Pujol, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas CIBERehd; Barcelona Spain
5. Research Institute Vall d'Hebrón; University Hospital Vall d'Hebrón; Barcelona Spain
6. CIBER Enfermedades Respiratorias (CIBERES); Fundació Privada Clínic; Barcelona Spain