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