1. Department of Gastroenterology and Hepatology, Amsterdam Gastroenterology Endocrinology Metabolism research institute, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam , Amsterdam , the Netherlands
2. Department of Gastroenterology and Hepatology, Radboud University Medical Centre , Nijmegen , the Netherlands
3. Department of Radiology and Nuclear Medicine, Amsterdam University Medical Centers, Vrije Universiteit Amsterdam , Amsterdam , the Netherlands
4. Department of Clinical Chemistry, Amsterdam University Medical Centers, Amsterdam Gastroenterology Endocrinology Metabolism Research Institute, Vrije Universiteit Amsterdam , Amsterdam , the Netherlands