OUTCOMES: 1.- Clinical: dyspnea (area of CRQ questionnaire), HRQL (CRQ, SF 36); Effort capacity (6minute Walking Test), BODE index; 2.- Economical: direct costs (programs); indirect costs (exacerbations, admissions); comparison of GR1 and GR2 costs; EXPECTED OUTCOMES: reduction of dyspnea, improvement of HRQL, effort capacity and BODE index, and reduction of health expenditures in GR1 compared to GR2.