Change in 6 minutesâ?? walk test at 3; 6 and 12 months after therapy. <br/ >Change in FVC at 3;6 and 12 months after therapy. <br/ >Radiological resolution at 6th and 12 months of therapy <br/ >Timepoint: Baseline; 3; 6 and 12 months

Change in 6 minutesâ?? walk test at 3; 6 and 12 months after therapy. <br/ >Change in FVC at 3;6 and 12 months after therapy. <br/ >Radiological resolution at 6th and 12 months of therapy <br/ >Timepoint: Baseline; 3; 6 and 12 months