Institution: | 1. Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden;2. Institute of Medicine, Hepatology and Gastroenterology, University Hospital Charité, Campus Virchow Clinic, Berlin, Germany;3. Department of Internal Medicine, Section of Gastroenterology and Hepatology, The National University Hospital, Reykjavik, Iceland;4. Occupational Health Centrum, University Hospital The Charité, Campus Virchow Clinic, Berlin, Germany;5. MVZ Labor Prof. Seelig, Karlsruhe, Germany;6. General and Transplantation Surgery Clinic, University Hospital The Charité, Campus Virchow Clinic, Berlin, Germany;g Department of Radiology, Sahlgrenska University Hospital, Gothenburg, Sweden;h Gastroenterology and Reumatology Clinic, Hepatology Section, University Hospital Leipzig, Germany |