| Affiliation: | 1. Department of Gastrointestinal and Pediatric Surgery, Oslo University Hospital, Norway;2. Department of Pediatrics, Oslo University Hospital, Norway;3. Department of Radiology and Nuclear Medicine, Oslo University Hospital, Norway;4. Oslo and Akershus University College of Applied Sciences;5. Department of Gastroenterology, Oslo University Hospital, Norway;6. Oslo Centre of Biostatistics and Epidemiology, Oslo University Hospital, Norway;7. Department of Gastroenterology, Oslo University Hospital, Rikshospitalet, Norway;8. Institute of Clinical Medicine, University of Oslo, Norway;9. Intervention Centre, Oslo University Hospital, Rikshospitalet, Norway;10. Department of HPB Surgery, Oslo University Hospital, Rikshospitalet, Norway;1. Creticos Research Group, Crownsville, Maryland, USA;2. Division of Allergy & Clinical Immunology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA |
