The core study consists of seven visits over a total of three years during which you will undergo the following tests and procedures:

• Medical History and Questionnaires
• Lung function tests
• Blood samples
• Phlegm samples
• CT Scan

There are also optional tests that can be done if requested:

•   Breathing tests (airway resistance)
•   Artery stiffness
•   Quadricept Muscle Strength
•   Lean and Fat body composition
•   Cough questionnaire
•   Physical Activity questionnaire