[1] Univ Palermo, AOU Policlin Paolo Giaccone, Thorac Surg Unit, Palermo, Italy
[2] Univ Palermo, AOU Policlin Paolo Giaccone, Emergency Surg Unit, Palermo, Italy
[3] Marche Nord Hosp, Gen & Mini Invas Thorac Surg Unit, Marche, Italy
[4] Presidio Osped Maggiore Bellaria, Thorac Surg Unit, Bologna, Italy
[5] Univ Palermo, Dept Expt Biomed & Clin Neurosci, Sect Anat, BIONEC, Palermo, Italy