1. Department of Gastroenterology and Hepatology, Radboud University Medical Centre, Nijmegen, The Netherlands
2. Department of Gastroenterology and Hepatology, Jeroen Bosch Hospital, ‘s Hertogenbosch, The Netherlands
3. Department of Pathology, Radboud University Medical Center, Nijmegen, The Netherlands
4. Department of Pathology, Jeroen Bosch Hospital, ‘s Hertogenbosch, The Netherlands