1. Department of Radiology and Nuclear Medicine, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
2. Department of Gastroenterology and Hepatology, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
3. Department of Medical Oncology, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
4. Department of Radiotherapy, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
5. Department of Surgery, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands