1 Department of Nephrology, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
2 IIS-Fundacion Jimenez Diaz, School of Medicine, University Autonoma of Madrid, FRIAT and REDINREN, Madrid, Spain.
3 Department of Renal Medicine, University Hospitals Birmingham, Birmingham, UK.
4 Service de Nephrologie-HTA, dialyses, transplantation rénale, CHRU de Tours-Hospital Bretonneau, Tours, France.
5 Institute of Clinical Pharmacology and Toxicology, Charité-Universitätsmedizin Berlin, Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
6 CNR-Institute of Clinical Physiology, Clinical Epidemiology and Physiopathology of Renal Diseases and Hypertension, Reggio Calabria.
7 Università Milano-Bicocca, Milan and Policlinico di Monza, Monza, Italy.
8 Division of Nephrology, Wuerzburg University Clinic, Würzburg, Germany.