1. Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden;
2. Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden;
3. Department of Medicine, Section of Hepatology and Gastroenterology, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden;
4. Department of Medical Sciences, Section of Gastroenterology and Hepatology, Uppsala University, Uppsala, Sweden;
5. Department of Medicine, Division of Infectious Diseases, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden;
6. Department of Gastroenterology and Hepatology, University Hospital, Linköping, Sweden;
7. Department of Medical and Health Sciences, Linköping University, Linköping, Sweden;
8. Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden;
9. Department of Clinical Sciences, Gastroenterology Division, Lund University, University Hospital Skane, Malmö, Sweden;
10. Department of Clinical Sciences, Gastroenterology Division, Lund University, University Hospital Skane, Lund, Sweden