1. Department of Nephrology Aalborg University Hospital Aalborg Denmark
2. Department of Renal Medicine Akershus University Hospital Lørenskog Norway
3. Institute of Clinical Medicine, University of Oslo Oslo Norway
4. Department of Hematology Aalborg University Hospital Aalborg Denmark
5. Department of Clinical Medicine Aalborg University Aalborg Denmark
6. Department of Medical Sciences Uppsala University Uppsala Sweden
7. Department of Renal Medicine Aarhus University Hospital Aarhus Denmark
8. Institute of Clinical Medicine, Aarhus University Aarhus Denmark