Program deployment The initial 6 months will include three healthcare sectors: Lleida (168k inhabitants and 21 Primary Care centers), Vic (49k inhabitants and 11 PCC), and Atenció Integral en Salut Barcelona Esquerra (AISBE) (540k inhabitants and 19 PCC) following a Plan-Do-Study-Act (PDSA) methodology24. The first PDSA cycle (January - March 2016) including a total of three primary care centers, one in each healthcare sector, has as main purpose to ensure full functionality of the setting. Immediately thereafter, the FS program will be progressively deployed to all Primary Care centers in the three sectors in a second 3-months PDSA cycle that will be completed by mid-2016. Forced spirometry testing will be prescribed by the attending general practitioner following standard criteria and it will be carried out by primary care nurses.