1. Department of Medical Imaging; Radboud University Medical Center Nijmegen; Nijmegen Netherlands
2. Department of Surgery; Radboud University Medical Center; Nijmegen Netherlands
3. Department of Surgery; Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam; Amsterdam Netherlands
4. Department of Surgery; Emory University School of Medicine; Atlanta GA USA
5. Department of Gastrointestinal Surgery; University of Pennsylvania; Philadelphia PA USA
6. Division of Surgery and Interventional Science; University College London; London UK