1 Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
2 Department of Clinical Pharmacy & Pharmacology, University Medical Center Groningen, Groningen, The Netherlands.
3 ERA Registry, Department of Medical Informatics, Amsterdam University Medical Center, Amsterdam Public Health Research Institute, Amsterdam, The Netherlands.
4 Department of Nephrology, University Medical Center Ljubljana; Medical Faculty, University of Ljubljana, Ljubljana, Slovenia.
5 Department of Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands.
6 Haaglanden Medical Center, the Hague, The Netherlands.
7 Division on Nephrology, Department of Internal Medicine, Maastricht University Medical Center; CARIM School for Cardiovascular Research, University Maastricht, Maastricht, The Netherlands.
8 Claude Galien Hospital Ramsay Santé, Quincy-sous-Sénart, France.
9 Department of Nephrology, AZ Delta, Roeselare, Belgium.
10 Department of Transplantation Medicine, Oslo University Hospital - Rikshospitalet, Olso, Norway.
11 Department of Renal Medicine, Manchester University Hospitals, Manchester Academy of Health Sciences Center, University of Manchester, Manchester, UK.
12 Fundació Puigvert, Barcelona, Spain.
13 Toledo University Hospital, Toledo, Spain.
14 Division of Nephrology, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey.
15 Vall d'Hebron University Hospital, Barcelona, Spain.