1. Department of Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands.
2. Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, The Netherlands.
3. Department of Radiology & Nuclear Medicine, Erasmus University Medical Center, Abdominal Imaging, Rm Hs-222, ‘s-Gravendijkwal 230, 3000 CA Rotterdam, The Netherlands.