1. Department of Gastroenterology and Hepatology, Radboud University Medical Centre, Nijmegen, The Netherlands
2. Department of Pharmacy, Radboud University Medical Centre, Nijmegen, The Netherlands
3. Department of Gastroenterology and Hepatology, Jeroen Bosch Ziekenhuis, ‘s-Hertogenbosch, The Netherlands
4. Laboratory of Clinical Chemistry and Haematology, Jeroen Bosch Ziekenhuis, ‘s-Hertogenbosch, The Netherlands
5. Department of Health Technology and Services Research, Technical Medical Centre, University of Twente, Enschede, The Netherlands
6. Department of Radiology, Jeroen Bosch Ziekenhuis, ‘s-Hertogenbosch, The Netherlands