2 Institute of Molecular Biology and Genetics (Biogem), Ariano Irpino, Italy.
3 Associazione Ipertensione Nefrologia Trapianto Renale (IPNET), c/o Nefrologia, Grande Ospedale Metropolitano, Reggio Calabria, Italy.
4 CNR-IFC, Institute of Clinical Physiology, Research Unit of Clinical Epidemiology, Reggio Calabria, Italy.
5 Fresenius Medical Care, Global Medical Office, Crema, Italy.
6 Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
7 Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands.
8 Department of Medical Informatics, ERA Registry, Amsterdam UMC location and the University of Amsterdam, Amsterdam, The Netherlands.
9 Quality of Care, Amsterdam Public Health, Amsterdam, The Netherlands.
10 Nephrology, Dialysis and Transplantation Unit, Azienda Ospedaliera "Bianchi-Melacrino-Morelli" Grande Ospedale Metropolitano of Reggio Calabria, Reggio Calabria, Italy.
11 Fresenius Medical Care, Global Medical Office, Waltham, Massachusetts.
12 Fresenius Medical Care, Global Medical Office, Bad Homburg, Germany.