1. Department of Nephrology, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy
2. Department of Nephrology, Antwerp University Hospital, Antwerp University, Antwerp, Belgium
3. Department of Nephrology, Charité Medical University Berlin, Berlin, Germany
4. Department of Nephrology, Hospital del Mar Barcelona, Barcelona, Spain
5. Department of Nephrology, Dialysis, and Renal Transplantation, University North Hospital, Saint Etienne, France
6. Department of Nephrology, Medical University of Vienna, Vienna, Austria
7. Pediatric Nephrology Unit, Regina Margherita Children's Hospital, Turin, Italy
8. Department of Nephrology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
9. Department of Nephrology, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
10. Transplant Unit, Royal Infirmary of Edinburgh, Edinburgh, UK
11. Department of Nephrology, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
12. Department of Nephrology, Radboud University Medical Center, Nijmegen, The Netherlands