[1] Vivantes Hosp, Charite Med Sch, Acad Teaching Hosp, Dept Surg, Neue Bergstrasse 6, D-13585 Berlin, Germany
[2] Vivantes Hosp, Charite Med Sch, Acad Teaching Hosp, Ctr Minimally Invas Surg, Neue Bergstrasse 6, D-13585 Berlin, Germany
[3] Manchester Univ NHS Fdn Trust, Dept Surg, Manchester M13 9WL, Lancs, England
[4] Univ Ziekenhuis Gent, Dept Gen & HPB Surg & Liver Transplantat, C Heymanslaan 10, B-9000 Ghent, Belgium
[5] Univ Insurbria, Ctr Res & High Specializat Pathol Abdominal Wall, Inst Clin St Ambrogio, Gen & Day Surg Unit,Milano Hernia Ctr, Milan, Italy
[6] AO Colli Monaldi Hosp Naples, Dept Gen Laparoscop & Robot Surg, Chief Week Surg Dept Unit, Naples, Italy
[7] Wilhelminenspital Stadt Wien, Dept Gen Visceral & Oncol Surg, A-1160 Vienna, Austria
[8] Sigmund Freud Univ, Fac Med, A-1020 Vienna, Austria
[9] Aarhus Univ, Horsens Reg Hosp, Dept Surg, Sundvey 30, DK-8700 Horsens, Denmark
[10] Hop Prive Antony, Unite Chirurg Viscerale, 1 Rue Velpeau, F-92160 Antony, France
[11] Krankenhaus Barmherzigen Bruder, Dept Surg, Spitalgasse 26, A-9300 St Veit An Der Glan, Austria
[12] Emek Med Ctr, Dept Surg, Afula, Israel
[13] Technion Israel Inst Technol, Rappaport Fac Med, Haifa, Israel
[14] Univ Autonoma Barcelona, Hosp Univ Vall dHebron, Dept Gen Surg, Abdominal Wall Surg Unit, Passeig Vall dHebron 119-129, Barcelona 08035, Spain
[15] Univ Hosp Virgen del Rocio, Unit Innovat Minimally Invas Surg, Ave Manuel Siurot S-N, Seville 41013, Spain
[16] Mora Hosp, Dept Surg, S-79285 Mora, Sweden
[17] Wilhelmsburger Krankenhaus Gross Sand, Gross Sand 3, D-21107 Hamburg, Germany
[18] Univ Med Ctr Utrecht, Dept Surg, Heidelbergglaan 100, Utrecht, Netherlands
[19] Med Univ Gdansk, Hosp Puck, Dept Gen Surg, Gdansk, Poland
[20] Med Univ Gdansk, Hosp Puck, Hernia Ctr, Gdansk, Poland
[21] Pius Hosp Oldenburg, Univ Hosp Visceral Surg, Sch Med & Hlth Sci, Med Campus Univ Oldenburg,Georgstr 12, D-26121 Oldenburg, Germany
[22] OLVG Hosp, Dept Surg, Amsterdam, Netherlands