1. Liver Failure Group Institute for Liver and Digestive Health, University College London London UK
2. Centre of Functional Imaging and Research, Department of Clinical Physiology and Nuclear Medicine University of Copenhagen Copenhagen Denmark
3. Gastroenterology Unit, Medical Division, Faculty of Health Sciences University of Copenhagen Copenhagen Denmark
4. Department of Clinical Medicine, Faculty of Health Sciences University of Copenhagen Copenhagen Denmark
5. Department of Hepatology and Gastroenterology Aarhus University Hospital Aarhus Denmark