1. Department of Nephrology, Sahlgrenska University Hospital, Gothenburg, Sweden
2. Department of Public Health and Caring Sciences/Family Medicine and Clinical Epidemiology, Uppsala University, Uppsala, Sweden
3. Department of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
4. Department of Public Health and Caring Sciences/Geriatrics, Uppsala University, Uppsala, Sweden
5. Medical Products Agency, Epidemiology, Uppsala, Sweden