1 Department of Internal Medicine: Nephrology and Kidney Transplantation, Academic Medical Center at the University of Amsterdam, Amsterdam, The Netherlands.
2 Department of Pediatric Nephrology, Emma Children's Hospital, Academic Medical Center at the University of Amsterdam, AZ Amsterdam, The Netherlands.
3 Pediatric Clinical Research Office, Emma Children's Hospital, Academic Medical Center at the University of Amsterdam, Amsterdam, The Netherlands.
4 Department of Pediatric Nephrology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands.
5 Department of Pediatric Nephrology, Sophia Children's Hospital, Erasmus Medical Center, Rotterdam, The Netherlands.
6 Department of Pediatric Nephrology, St Radboud University Medical Center, Nijmegen, The Netherlands.
7 Department of Internal Medicine: Nephrology and Kidney Transplantation, Leiden University Medical Center, Leiden, The Netherlands.
8 Department of Internal Medicine: Nephrology and Kidney Transplantation, University Medical Center Groningen, Groningen, The Netherlands.
9 Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands.
10 Department of Nephrology, VU University Medical Center Amsterdam, Amsterdam, The Netherlands.
11 Department of Internal Medicine: Nephrology and Kidney Transplantation, Erasmus Medical Center, Rotterdam, The Netherlands.
12 Department of Internal Medicine: Nephrology and Kidney Transplantation, St Radboud University Medical Center, Nijmegen, The Netherlands.
13 Netherlands Organ Transplant Registry, Leiden, The Netherlands.
14 Department of Internal Medicine, Academic Medical Center at the University of Amsterdam, Amsterdam, The Netherlands