Figure 1From: Early diagnosis of asthma in young children by using non-invasive biomarkers of airway inflammation and early lung function measurements: study protocol of a case-control study Relation between genetic background and pathophysiology in asthma. Central features in the pathophysiology of asthma are chronic airway inflammation and airway (hyper)responsiveness. These features can be measured by markers in exhaled breath condensate and MicroRint, respectively, and are influenced by genetic factors.Back to article page