1. Institute of Nursing Science; University of Basel; Switzerland
2. Center on Aging and Health; Johns Hopkins University; Baltimore Maryland USA
3. School of Nursing; University of Pittsburgh; Pennsylvania USA
4. Clinic of Nephrology and Transplantation Medicine; Cantonal Hospital St Gallen; Switzerland
5. Department for Transplantation-Immunology and Nephrology; University Hospital Basel; Switzerland
6. Transplantation Centre and Transplantation Immunopathology Laboratory; University Hospital Lausanne; Switzerland
7. Department of Nephrology; University Hospital Geneva; Switzerland
8. University Clinic for Nephrology, Hypertension and Clinical Pharmacology; University Hospital Bern; Switzerland
9. Institute of Economics; University of Lugano; Switzerland
10. Academic Center for Nursing and Midwifery; KU Leuven; Belgium