1 Thoracic Surgery Division, European Institute of Oncology, University of Milan, Via G. Ripamonti, 435 20141 Milan, Italy. Electronic address: lorenzo.spaggiari@ieo.it.
2 Department of Cardiologic, Thoracic and Vascular Sciences, University of Padua, Padua, Italy.
3 Thoracic Surgery Unit, Community Hospital, Brescia, Italy.
4 Division of Thoracic Surgery, Humanitas Research Hospital-Rozzano, Milan, Italy.
5 Division of Thoracic Surgery, Ospedale di Mestre, Venezia-Mestre, Italy.
6 Department of Thoracic Surgery, San Giovanni Battista Hospital, University of Turin, Turin, Italy.
7 Division of Thoracic Surgery, IRCCS A.O.U. "San Martino" IST, Genoa, Italy.
8 Thoracic Surgery Unit - Department of Surgical Oncology, National Cancer Institute, Rome, Italy.
9 Division of Surgery, Università-A.S.L., Chieti, Italy.
10 Thoracic Surgery Division, European Institute of Oncology, University of Milan, Milan, Italy.