1. Section of Nephrology; Department of Transplant Medicine; Oslo University Hospital, Rikshospitalet; Oslo Norway
2. Faculty of Medicine; Institute of Clinical Medicine; University of Oslo; Oslo Norway
3. The Norwegian Renal Registry; Oslo University Hospital, Rikshospitalet; Oslo Norway
4. Department of Pharmaceutical Biosciences; School of Pharmacy; University of Oslo; Oslo Norway
5. Metabolic and Renal Research Group; UiT the Arctic University of Norway; Tromsø Norway