1. Gastro Unit, Medical Division; Copenhagen University Hospital Hvidovre; Hvidovre Denmark
2. Centre of Functional Imaging and Research, Department of Clinical Physiology and Nuclear Medicine; Copenhagen University Hospital Hvidovre; Hvidovre Denmark
3. University Clinic of Nephrology and Hypertension; Aarhus University and Holstebro Hospital; Aarhus Denmark
4. Liver Center Munich, Klinikum of the University; Ludwig Maximilian University of Munich; Munich Germany
5. Department of Gastroenterology and Hepatology; Odense University Hospital; Odense Denmark
6. Department of Gastroenterology and Hepatology; Endocrinology and Nephrology, Klinikum Klagenfurt am Wörtersee; Klagenfurt Austria
7. Department of Hepatogastroenterology; Institute for Clinical and Experimental Medicine; Prague Czech Republic
8. Department of Gastroenterology and Hepatology; Leiden University Medical Center; Leiden The Netherlands