[1] Univ Hosp Herak, Dept Gen Surg, Iraklion, Greece
[2] ULSS19 Veneto, Dept Gen Surg, Adria, RO, Italy
[3] Univ Oxford, Nuffield Dept Primary Care Hlth Sci, Oxford, Oxon, England
[4] Klinikum Mittelbaden Balg, Clin Abdominal Thorac & Pediat Surg, Baden Baden, Germany
[5] Ghent Univ Hosp, Dept Gen & HPB Surg & Liver Transplantat, Ghent, Belgium
[6] Western Gen Hosp, Dept Colorectal Surg, Edinburgh, Midlothian, Scotland
[7] Med Univ Gdansk, Dept Cardiac & Vasc Surg, Gdansk, Poland
[8] Herniactr Dr Muschaweck Dr Conze, Munich, Germany
[9] Herniactr Dr Muschaweck Dr Conze, London, England
[10] Rhein Westfal TH Aachen, Univ Hosp, Dept Gen Visceral & Transplant Surg, Aachen, Germany
[11] Azienda Osped Colli, Dept Gen Laparoscop & Robot Surg, Osped Monaldi, Naples, Italy
[12] Univ Hosp Wuerzburg, Dept Gen Visceral Vasc & Pediat Surg, Wurzburg, Germany
[13] Wilhelminenspital Stadt Wien, Certified Hernia Ctr, Dept Gen Visceral & Oncol Surg, Vienna, Austria
[14] Kantonsspital Winterthur, Dept Surg, Winterthur, Switzerland
[15] Canisius Wilhelmina Hosp, Dept Surg, Nijmegen, Netherlands
[16] Zealand Univ Hosp, Dept Surg, Koge, Denmark
[17] Royal London Hosp, Natl Bowel Res Ctr, London, England
[18] Sundsvall Hosp, Dept Surg, Sundsvall, Sweden
[19] Erasmus Univ, Dept Surg, Med Ctr, Rotterdam, Netherlands
[20] Innlandet Hosp Trust, Dept Surg, Gjovik, Norway
[21] Maria Middelares Hosp, Dept Surg, Ghent, Belgium
[22] Univ Autonoma Barcelona, Abdominal Wall Surg Unit, Dept Gen Surg, Hosp Univ Vall dHebron, Barcelona, Spain
[23] Univ Paris 07, Beaujon Hosp, AP HP, Dept Colorectal Surg, Paris, France
[24] Buccheri La Ferla Hosp, Dept Gen Surg, Palermo, Italy
[25] Univ Hosp Leuven, Dept Abdominal Surg, Leuven, Belgium
[26] Skane Univ Hosp, Dept Surg, Malmo, Sweden
[27] Univ Hosp Virgen del Rocio, Seville, Spain
[28] CHU Nimes, Dept Digest Surg, Nimes, France
[29] Oulu Univ Hosp, Div Gastroenterol, Dept Surg, Med Res Ctr, Oulu, Finland
[30] Royal Devon & Exeter Hosp, Exeter Surg Hlth Serv Res Unit HeSRU, Exeter, Devon, England
[31] Med Univ Gdansk, Dept Radiol 2, Gdansk, Poland
[32] Dist Hosp Puck, Dept Gen Surg, Puck, Poland
[33] Dist Hosp Puck, Hernia Ctr, Puck, Poland
[34] Jozef Pisudski Univ Phys Educ Warsaw, Dept Rehabil, Warsaw, Poland
[35] Bielanski Hosp, Clin Dept Gen & Colorectal Surg, Warsaw, Poland
[36] Univ Genoa, Dept Surg, Genoa, Italy