1. Department of Transplantation Medicine; Oslo University Hospital, Rikshospitalet; Oslo Norway
2. School of Pharmacy; University of Oslo; Oslo Norway
3. Faculty of Medicine; Institute of Clinical Medicine; University of Oslo; Oslo Norway
4. Norwegian Renal Registry; Oslo University Hospital, Rikshospitalet; Oslo Norway
5. Institute of Nursing Science; University of Basel; Basel Switzerland
6. Academic Centre for Nursing and Midwifery; KU-Leuven; Leuven Belgium
7. Department of Health Sciences; Faculty of Medicine; University of Oslo; Oslo Norway