Affiliation: | 1. Division of Gastroenterology, Department of Medicine, St Radboud Hospital, 6500 HB, Nijmegen, The Netherlands 2. Division of Hematology, Department of Medicine St. Radboud Hospital, University of Nijmegen, Nijmegen, The Netherlands 3. Department of Pathology, St. Radboud Hospital, University of Nijmegen, Nijmegen, The Netherlands
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