1. Department of Thoracic Surgery, Cochin-Hospital, APHP, Paris-Descartes University, Paris, France
2. Department of Thoracic Surgery, Nouvel-Hôpital Civil, Strasbourg, France
3. Department of Pathology, Cochin-Hospital, APHP, Paris-Descartes University, France
4. Department of Thoracic Surgery, Arcispedale Santa-Maria-Nuova, Reggio-Emilia, Italy