1. Division of Thoracic Surgery, Department of Surgical, Medical, Molecular, and Critical Area Pathology, University of Pisa, Pisa, Italy.
2. Division of Thoracic Surgery, CardioThoracic and Vascular Department, Pisa, Italy.
3. Division of Anesthesiology and Intensive Care, Department of Anesthesiology and Intensive Care, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy.