1. Department of Respiratory Diseases University Hospitals Leuven Leuven Belgium
2. Division of Respiratory Diseases Department of Chronic Diseases, Metabolism & Ageing (CHROMETA) KU Leuven Leuven Belgium
3. Department of Histopathology KU Leuven Leuven Belgium
4. Department of Anesthesiology University Hospitals Leuven Leuven Belgium
5. Department of Thoracic Surgery University Hospitals Leuven Leuven Belgium