1 Molecular Cancer Research, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht University, 3584, CX, Utrecht, The Netherlands.
2 Oncode Institute, Utrecht, The Netherlands.
3 Department of Pathology, University Medical Center Utrecht, Utrecht University, 3584, CX, Utrecht, The Netherlands.
4 Department of Gastroenterology and Hepatology, University Medical Center Utrecht, Utrecht University, 3584, CX, Utrecht, The Netherlands.
5 Molecular Cancer Research, Center for Molecular Medicine, University Medical Center Utrecht, Utrecht University, 3584, CX, Utrecht, The Netherlands. y.vercoulen@umcutrecht.nl.