1. Department of Medical Oncology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands;
2. Cancer Center Amsterdam, Amsterdam, The Netherlands;
3. Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands;
4. Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands;
5. Hospital Pharmacy, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands;
6. Department of Radiology, University Hospital, LMU Munich, Munich, Germany;
7. Department of Medicine II, University Hospital, LMU Munich, Munich, Germany;
8. Department of Nuclear Medicine, Charité-Universitätsmedizin Berlin, Berlin, Germany;
9. Department of Internal Medicine and Gastroenterology, Niels-Stensen-Kliniken, Marienhospital Osnabrück, Osnabrück, Germany;
10. Department of Oncology, University of Cambridge, Cambridge, UK;
11. Department of Diagnostic and Interventional Radiology, University Hospital RWTH Aachen, Aachen, Germany