1. Pneumology Service Lucus Augusti University Hospital, EOXI Lugo, Cervo e Monforte Lugo Spain
2. Pneumology Service Cruces University Hospital Barakaldo Spain
3. Pneumology Service Galdakao‐Usansolo University Hospital Galdakao Spain
4. Pneumology Service Doctor Peset University Hospital Valencia Spain
5. Pneumology Service San Agustín University Hospital Avilés Spain
6. Pneumology Service Doce de Octubre University Hospital Madrid Spain
7. Pneumology Service Bellvitge University Hospital, IBIDELL, Barcelona University Barcelona Spain
8. Allergy Section, Internal Medicine Service Complejo Hospitalario de Mérida Badajoz Spain
9. Pneumology Service Son Espases University Hospital, IdISBa‐Ciberes Palma de Mallorca Spain
10. Pneumology Service La Princesa University Hospital Madrid Spain
11. Pneumology Service Ciudad Real University Hospital Ciudad Real Spain
12. Pneumology Service La Paz University Hospital Madrid Spain