1. Pulmonology Department, Research Institute of Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain
2. Department of Medicine, Faculty of Medicine, Complutense University of Madrid, 28040 Madrid, Spain
3. Pneumology Department, Hospital Universitario Torrecardenas, 04009 Almería, Spain
4. Pneumology Department, Hospital Universitari Vall d’Hebron, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain
5. Pneumology Department, Complejo Asistencial Universitario de Burgos, 09006 Burgos, Spain
6. Pneumology Department, Hospital Virgen de las Nieves, 18014 Granada, Spain
7. Pneumology Department, Hospital Clinic, 08036 Barcelona, Spain
8. Pneumology Department, Hospital La Plana, 12002 Castellon, Spain
9. Pneumology Department, Hospital Álvaro Cunqueiro, NeumoVigo I+i Research Group, IIS Galicia Sur, 36213 Vigo, Spain
10. Pneumology Department, Hospital Universitario Nuestra Señora de La Candelaria, 38010 Santa Cruz de Tenerife, Spain
11. Preventive Medicine Clinical Management Unit, Research Institute of Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain