Fig. 1From: Patient experience of moderate asthma attacks: qualitative research in the USA and GermanySymptoms of moderate asthma exacerbations. Note: Shortness of breath, wheezing, difficulty breathing, coughing, chest tightness, phlegm/mucus, and chest pain were probed by the interviewer. All other symptoms were only reported spontaneously and because of that, corresponding columns are nonstackedBack to article page