Bronchitis
- Development of a cough and sputum questionnaire in chronic bronchitis in 7 languages
- Validation of a cough and sputum questionnaire in chronic bronchitis
- Development and validation of a patient diary for evaluating acute exacerbation of chronic bronchitis
- Conducting European focus group sessions for acute exacerbation of chronic bronchitis
- Validation of a patient diary for evaluating acute exacerbation of chronic bronchitis (AECB)