1. Department of Radiology, VieCuri Medical Centre, Venlo, The Netherlands
2. Department of Surgery, VieCuri Medical Centre, Venlo, The Netherlands
3. Department of Gastroenterology, VieCuri Medical Centre, Venlo, The Netherlands
4. Department of Clinical Epidemiology, VieCuri Medical Centre, Venlo, The Netherlands
5. Department of Epidemiology, Maastricht University Medical Centre, GROW School for Oncology and Developmental Biology, Maastricht, The Netherlands