1. Division of Hepatology Department of Upper GI diseases Karolinska University Hospital Stockholm Sweden
2. Clinical Epidemiology Division Department of Medicine, Solna Karolinska Institutet Stockholm Sweden
3. Department of Medicine, Huddinge Karolinska Institutet Stockholm Sweden
4. Department of Medical Epidemiology and Biostatistics Karolinska Institutet Stockholm Sweden
5. Division of Surgery Department of Clinical Science Intervention and Technology Karolinska Institutet, and Oesophageal and Gastric Cancer Unit Karolinska University Hospital Stockholm Sweden
6. Division of Diagnostics and Specialist Medicine Department of Health, Medicine and Caring Sciences Linköping University Linköping Sweden
7. Department of Internal Medicine and Clinical Nutrition Institute of Medicine Sahlgrenska AcademyUniversity of Gothenburg Gothenburg Sweden
8. Department of Gastroenterology and Hepatology Uppsala University Hospital Uppsala Sweden
9. Department of Gastroenterology Faculty of Medicine and Health Örebro University Örebro Sweden
10. Department of Gastroenterology and Hepatology Skåne University Hospital, Malmö Sweden
11. Department of Public Health and Clinical Medicine, Medicine Umeå University Umeå Sweden
12. Department of Molecular and Clinical Medicine Sahlgrenska AcademyUniversity of Gothenburg Gothenburg Sweden