1. Department of Clinical Epidemiology Leiden University Medical Center Leiden The Netherlands
2. Department of Internal Medicine Leiden University Medical Center Leiden The Netherlands
3. Renal Research Institute New York USA
4. Associazione Ipertensione Nefrologia Trapianto Renale (IPNET) Reggio Cal Italy
5. Department of Medical Informatics ERA‐EDTA Registry, Amsterdam UMC, University of Amsterdam, Amsterdam Public Health Institute Amsterdam The Netherlands