[1] Azienda Osped Univ Maggiore Carita Novara, Div Thorac Surg, 18 Corso Mazzini, I-28100 Novara, Italy
[2] Univ Ferrara, Dept Med Sci, Ferrara, Italy
[3] Univ Modena & Reggio Emilia, Univ Hosp Modena, Dept Otolaryngol Head & Neck Surg, Modena, Italy
[4] Mirano Hosp, Dept Surg, Mirano, Italy
[5] Univ Hosp Pisa, Dept Surg Med & Mol Pathol & Crit Area, Div Thorac Surg, Pisa, Italy
[6] Azienda Osped Univ Maggiore Carita Novara, Div Cardiac Surg, Novara, Italy
[7] Azienda Osped Univ Citta Salute & Sci Torino, Div Vasc Surg, Turin, Italy
[8] Santa Croce & Carle Hosp, Div Vasc Surg, Cuneo, Italy
[9] Univ Leeds, Leeds Inst Med Res St Jamess, Dept Thorac Surg, Sect Patient Centred Outcomes Res, Leeds, England
[10] Univ Padua, Dept Surg Oncol & Gastroenterol Sci, Padua, Italy