1. Pediatric Pulmonology and Allergy Unit Hospital Universitari i Politècnic La Fe Health Research Institute La Fe Valencia Spain
2. Pediatric Allergy Unit Hospital Universitari Vall d'Hebron. Grup d’Investigació “Creixement i Desenvolupament”, Institut de Recerca de l’Hospital Universitari Vall d’Hebron (VHIR) Barcelona Spain
3. Allergy and Clinical Immunology Department Hospital Maternoinfantil Sant Joan de Déu Barcelona Spain
4. Now with Allergy Service Hospital Universitario de La Plana Villarreal Spain
5. Pediatric Allergy and Pulmonology Unit Hospital Universitario Reina Sofía Córdoba Spain
6. Pediatric Allergy and Pulmonology Unit Hospital de Sabadell – Corporació Universitaria Parc Taulí Sabadell Spain
7. Pediatric Pulmonology Unit Complejo Hospitalario de Navarra. IdiSNA Health Research Institute Pamplona Spain
8. Pediatric Allergy and Pneumology Unit, Hospital Universitari Dr. Peset, Valencia, Spain. Department of Pediatrics, Obstetrics and Gynecology University of Valencia Valencia Spain
9. Pediatric Pulmonology and Allergy Unit Hospital de Sagunto Sagunto Spain
10. Pediatrics Service Hospital Universitario Príncipe de Asturias Alcalá de Henares Spain
11. Pediatric Pulmonology and Allergy Unit Hospital del Mar Barcelona Spain
12. Pediatric Pulmonology and Allergy Unit Hospital Universitario Virgen del Rocío Sevilla Spain
13. Pediatric Pulmonology Unit Hospital Universitario Ramón y Cajal Madrid Spain
14. Pediatrics Service Hospital Costa del Sol Marbella Spain
15. Pediatric Pulmonology Unit Hospital Universitario Infantil Niño Jesús Madrid Spain
16. Pediatric Pulmonology and Allergy Unit Hospital Universitario Clínico San Cecilio Granada Spain
17. Pediatric Pulmonology and Allergy Unit Hospital Universitario 12 de Octubre Madrid Spain
18. Pediatric Pulmonology Unit Hospital Universitario Virgen de las Nieves Granada Spain
19. Pediatric Pulmonology Unit Hospital Universitario Puerta de Hierro Majadahonda Spain
20. Pediatric Pulmonology and Allergy Unit Hospital Universitario Torrecárdenas Almería Spain
21. Pediatric Pulmonology Unit Hospital Universitario Virgen Macarena Sevilla Spain
22. Pediatrics Service Hospital Comarcal Virgen de la Merced Osuna Spain
23. Pediatrics Service Hospital Universitario de Jerez de la Frontera Jerez de la Frontera Spain
24. Pediatric Pulmonology Unit Hospital Universitario Nuestra Señora de Valme Sevilla Spain
25. Pediatric Pulmonology Unit Complejo Hospitalario de Jaén Jaén Spain
26. Pediatrics Service Hospital Universitario Fundación Jiménez Díaz Madrid Spain