[1] Santiago De Compostela Univ, Clin Teaching Hosp, Dept Pneumol, Galicia, Spain
[2] Univ Santiago Compostela, Dept Prevent Med & Publ Hlth, La Coruna, Spain
[3] Consortium Biomed Res Epidemiol & Publ Hlth CIBER, Madrid, Spain
[4] Galician Reg Hlth Author, Populat Screening Unit, Santiago De Compostela, Spain
[5] Pontevedra Univ Hosp Complex, Dept Oncol, Pontevedra, Spain
[6] Univ Caldas, Dept Publ Hlth, Res Grp Hlth Promot & Dis Prevent, Manizales, Colombia
[7] Hlth Knowledge Management Agcy, Unidade Asesoramento Cient Tecn Avalia T, Galician Hlth Technol Assessment Agcy,Sci Tech Ad, Axencia Conecemento Saude ACIS,Galician Reg Hlth, Galicia, Spain
[8] A Coruna Univ Teaching Hosp Complex, Dept Pneumol, La Coruna, Spain
[9] Hlth Res Inst Santiago De Compostela IDIS, Interdisciplinary Grp Res Pulmonol, Santiago De Compostela, Spain