| Affiliation: | 1. Division of Gastroenterology, Department of Medicine, Helsinki University Central Hospital, Helsinki, Finland;2. Children's Hospital, Helsinki University Central Hospital, Helsinki, Finland;3. Department of Clinical Chemistry, University of Helsinki, Helsinki, Finland;4. Department of Pathology, HUSLAB and Haartman Institute, Helsinki University Central Hospital, Helsinki, Finland;5. Department of Surgery, Biomedicum Helsinki, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland |
