[1] Bispebjerg Hosp, Digest Dis Ctr, Bispebjerg Bakke 23, DK-2400 Copenhagen NV, Denmark
[2] Charles Univ Prague, Dept Surg 3, Motol Univ Hosp, Prague, Czech Republic
[3] Charles Univ Prague, Med Fac 1, Motol Univ Hosp, Prague, Czech Republic
[4] Univ Autonoma Barcelona, Hosp Univ Vall dHebron, Dept Gen Surg, Abdominal Wall Surg Unit, Barcelona, Spain
[5] Sapienza Univ, Dept Surg P Valdoni, Rome, Italy
[6] Univ Genoa, Dept Surg, Genoa, Italy
[7] Osped Policlin San Martino IRCCS, Genoa, Italy
[8] Univ Hosp Gent, Dept Gen & HPB Surg & Liver Transplantat, Ghent, Belgium