[1] Acad Med Ctr, Dept Surg, Amsterdam, Netherlands
[2] Acad Med Ctr, Gastroenterol, Amsterdam, Netherlands
[3] Univ Med Ctr Utrecht, Surg, Utrecht, Netherlands
[4] Univ N Carolina, Gastroenterol & Hepatol, Chapel Hill, NC USA
[5] Univ Ulm, Surg, Ulm, Germany
[6] St Antonius Hosp, Radiol, Utrecht, Netherlands
[7] Erasmus Univ, Gastroenterol & Hepatol, Med Ctr, Rotterdam, Netherlands
[8] Glasgow Royal Infirm, Glasgow, Lanark, Scotland
[9] Newcastle Upon Tyne Hosp, Dept HPB Surg, Newcastle Upon Tyne, Tyne & Wear, England
[10] Hosp Clementino Fraga Filho, Rio De Janeiro, Brazil
[11] Oldenburg Municipal Hosp, Dept Internal Med, Oldenburg, Germany
[12] Acad Med Ctr, Clin Res Unit, Amsterdam, Netherlands
[13] Jaslok Hosp & Res Ctr, Surg, Bombay, Maharashtra, India
[14] Univ Szeged, Szeged, Hungary
[15] Massachusetts Gen Hosp, Boston, MA 02114 USA
[16] Massachusetts Gen Hosp, Dept Surg, Boston, MA 02114 USA
[17] Acad Med Ctr Amsterdam, Amsterdam, Netherlands
[18] Univ Minnesota, Gastroenterol, Minneapolis, MN USA
[19] Dartmouth Hitchcock Med Ctr, Gastroenterol & Hepatol, Lebanon, NH 03766 USA
[20] Radboud Univ Nijmegen, Surg, Med Ctr, Nijmegen, Netherlands
[21] Radboud Univ Nijmegen, Med Ctr, Operating Rooms Evidence Based Surg, Nijmegen, Netherlands
[22] Radboud Univ Nijmegen, Med Ctr, Radboud Inst Hlth Sci, Nijmegen, Netherlands
[23] Freeman Rd Hosp, Surg, Newcastle Upon Tyne, Tyne & Wear, England
[24] Glasgow Royal Infirm, Surg, Glasgow, Lanark, Scotland
[25] Massachusetts Gen Hosp, Surg, Boston, MA 02114 USA
[26] Royal Liverpool & Broadgreen Univ Hosp, Liverpool Pancreas Biomed Res Unit, Natl Inst Hlth Res, Liverpool, Merseyside, England
[27] Petz Aladar Teaching Hosp, Surg, Gyor, Hungary
[28] Univ Edinburgh, Surg, Edinburgh, Midlothian, Scotland
[29] Royal Liverpool & Broadgreen Univ Hosp, Surg, Liverpool, Merseyside, England
[30] Univ Rostock, Surg, Rostock, Germany
[31] Univ Hosp Hamburg Eppendorf, Interdisciplinary Endoscopy, Hamburg, Germany
[32] Oldenburg Municipal Hosp, Internal Med, Oldenburg, Germany
[33] Manchester Royal Infirm, Surg, Manchester, Lancs, England
[34] Univ Washington, Surg, Seattle, WA USA
[35] St Antonius Hosp, Surg, Nieuwegein, Netherlands