| Affiliation: | 1. Department of General Practice, Academic Medical Center, Amsterdam, The Netherlands;2. Horten Centre, University of Zurich, Zurich, Switzerland;3. Research and Development Office, North West London Hospitals NHS Trust, Northwick Park Hospital, London, United Kingdom;4. Medical Chest Unit, Castle Hill Hospital, Cottingham, East Yorkshire, United Kingdom;5. Department of Pulmonology, Amsterdam Medical Center, Amsterdam, The Netherlands;1. Servei de Pneumologia, Hospital del Mar-IMIM, Passeig Marítim 25-29, 08003 Barcelona, Spain;2. Municipal Institute of Medical Research (IMIM-Hospital del Mar), Doctor Aiguader 88, 08003 Barcelona, Spain;3. CIBER de Enfermedades Respiratorias (CIBERES), Recinte Hospital Joan March, Carretera Soller km 12, 07110 Bunyola, Spain;4. Centre for Research in Environmental Epidemiology (CREAL), Doctor Aiguader 88, 08003 Barcelona, Spain;5. Department of Experimental and Health Sciences, Universitat Pompeu Fabra, Doctor Aiguader 88, 08003 Barcelona, Spain;6. CIBER Epidemiologia y Salud Pública (CIBERESP), Doctor Aiguader 88, 08003 Barcelona, Spain;7. Servei de Pneumologia, Hospital Clínic - Institut D''Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Villarroel 170, 08036 Barcelona, Spain;8. Servei de Pneumologia, Hospital General Universitari Vall D''Hebron, Passeig Vall d''Hebron 119-129, 08035, Barcelona, Spain;9. Hospital Universitari Germans Trias i Pujol, Carretera de Can Ruti s/n, 08916 Badalona, Spain;10. Servei de Pneumologia, Hospital de Sabadell, Corporació Parc Taulí, Institut Universitari Parc Taulí (Universitat Autònoma de Barcelona), Parc Taulí s/n, 08208 Sabadell, Spain;11. Servei de Pneumologia, Hospital Universitari de Bellvitge, Feixa Llarga s/n, 08907 L''Hospitalet de Llobregat, Spain;12. Servei de Pneumologia, Hospital Universitari Son Dureta, Andrea Doria 55, 07014 Palma de Mallorca, Spain;13. Fundació Caubet-Cimera, Recinte Hospital Joan March, Carretera Soller km 12, 07110 Bunyola, Spain, Departament de Pneumologia;14. Hospital de Cruces, Pl/Cruces s/n, Barakaldo 48903, Spain;15. Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Avinguda Sant Antoni Maria Claret 25, 08025 Barcelona, Spain;1. Respiratory Unit, Ninewells Hospital, Dundee DD1 9SY, UK;2. Wallacetown Health Centre, Lyon St., Dundee DD4 6RD, UK;3. Clinical Technology Centre, Ninewells Hospital, Dundee DD1 9SY, UK;4. Radiology Department, Ninewells Hospital, Dundee DD1 9SY, UK |
