1 Department of Nephrology, University Medical Center, Utrecht, The Netherlands.
2 Department of Renal Medicine, M99 Karolinska University Hospital, Stockholm, Sweden.
3 Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy.
4 Department of Internal Medicine IV, Renal and Hypertensive Disease, University Medical Center, Homburg/Saar, Germany.
5 Department of Nephrology, Dialysis, Nutrition, Centre Hospitalier Lyon Sud, Pierre Bénite Cedex, France.
6 Department of Nephrology and Renal Transplantation, Patras University Hospital, Athens, Greece.
7 Division of Nephrology, Ambroise Paré Hospital, Paris Ile de France West University (UVSQ), Boulogne Billancourt, and Inserm U1018team5, Villejuif, France.
8 1st Department of Internal Medicine, Third Faculty of Medicine, Charles University, Prague, Czech Republic.
9 Nephrology Department, Hospital Universitari Vall d'Hebron, Nephrology Research Group, Vall d'Hebron Research Institute (VHIR), Barcelona, Spain.
10 Department of Nephrology, Medical Faculty, University of Skopje, Skopje, Former Yugoslav, Republic of Macedonia.
11 Glasgow Renal and Transplant Unit, Queen Elizabeth University Hospital, Glasgow, UK.
12 Department of Medicine, Division of Nephrology, University Hospital, Wuerzburg, Germany.
13 CNR-IFC, c/o Ospedali Riuniti, Reggio Calabria, Italy.