1. Department of Pathology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands,
2. Department of Epidemiology, Biostatistics and HTA, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands,
3. Department of Surgery, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
4. Department of Colorectal Surgery, Churchill Hospital, Oxford University Hospitals, Oxford, United Kingdom