1 Gade Laboratory for Pathology, Department of Clinical Medicine, University of Bergen, Bergen, Norway; Department of Pathology, Haukeland University Hospital, Bergen, Norway. Electronic address: anders.molven@uib.no.
2 KG Jebsen Center for Diabetes Research, Department of Clinical Science, University of Bergen, Bergen, Norway; Department of Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway.
3 Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania.