[1] Osped Riuniti Ancona, Div Thorac Surg, I-60020 Ancona, Italy
[2] CHU Larrey, Toulouse, France
[3] Pascale Fdn Naples, Natl Canc Inst, Naples, Italy
[4] Univ Hosp Leuven, Dept Thorac Surg, Louvain, Belgium
[5] Hosp Univ Salamanca, Salamanca, Spain