1. Department of Thoracic Surgery, AOU Ospedali Riuniti, Ancona, Italy
2. Department of Thoracic Surgery, St James’s University Hospital, Leeds, UK
3. Department of Thoracic Surgery, University Hospitals Leuven, Leuven, Belgium
4. Department of Thoracic Surgery, University of Pécs, Pécs, Hungary
5. Department of Thoracic Surgery, University Hospital, Toulouse, France
6. Department of Thoracic Surgery, University Hospital, Salamanca, Spain
7. Department of Thoracic Surgery, Strasbourg University Hospital, Strasbourg, France