[1] Ghent Univ Hosp, Dept Radiol & Med Imaging, B-9000 Ghent, Belgium
[2] Ghent Univ Hosp, Dept Gastroenterol, B-9000 Ghent, Belgium
[3] Ghent Univ Hosp, Dept Abdominal Surg, B-9000 Ghent, Belgium
[4] Ghent Univ Hosp, Dept Med Informat & Stat, B-9000 Ghent, Belgium
[5] Ghent Univ Hosp, Dept Intens Care, B-9000 Ghent, Belgium