Fig. 4From: Patient experience of moderate asthma attacks: qualitative research in the USA and GermanyConceptual model of the patient experience of a moderate asthma attack (moderate exacerbation)a. aModel was developed based on interviews with 8 German and 20 USA patients and on ATS/ERS definition of a moderate exacerbation. ATS American Thoracic Society; ERS European Respiratory SocietyBack to article page