1. Department of Medical Oncology, University Hospital Ghent , Ghent , Belgium
2. Biomarkers in Cancer, Ghent University , Ghent , Belgium
3. Cancer Research Institute Ghent , Ghent , Belgium
4. Digestive Oncology, Department of Gastroenterology, Ghent University Hospital , Ghent , Belgium
5. Department of Internal Medicine and Pediatrics, Ghent University , Ghent , Belgium
6. Department of Urology, University Hospital Ghent , Ghent , Belgium
7. Department of Human Structure and Repair, Ghent University , Ghent , Belgium
8. Drug Research Unit Ghent, University Hospital Ghent , Ghent , Belgium
9. Department of Diagnostic Sciences, Ghent University , Ghent , Belgium