1. Department of Nephrology; University Medical Center Utrecht; Utrecht The Netherlands
2. Julius Center for Health Sciences and Primary Care; University Medical Center Utrecht; Utrecht The Netherlands
3. Nephrology Clinic, Dialysis and Renal Transplant Center; C.I. Parhon University Hospital; Gr. T. Popa University of Medicine and Pharmacy; Iasi Romania
4. UCL Centre for Nephrology; Royal Free Hospital; University College London Medical School; London United Kingdom
5. Department of Nephrology; VU University Medical Center; Amsterdam The Netherlands
6. Institute for Cardiovascular Research VU Medical Center (ICaR-VU); VU University Medical Center; Amsterdam The Netherlands
7. Diaverum Renal Services Group; Lund Sweden
8. Department of Nephrology Dialysis and Renal Transplantation; Alessandro Manzoni Hospital; Lecco Italy
9. Nephrology Section; Department of Internal Medicine; University Hospital; Ghent Belgium