1. Department of Transplantology, Nephrology and Internal Medicine, Medical University of Warsaw, Warsaw, Poland
2. Department of Pathology, Medical Center of Postgraduate Education, Warsaw, Poland
3. Department of Pathology, Uniwersytet Medyczny w Lodzi, Lodz, Poland
4. Department of Pathomorphology, Wroclaw Medical University, Wroclaw, Poland
5. Department of Clinical and Experimental Pathology, Jagiellonian University, Collegium Medicum, Krakow, Poland
6. Biopsy Diagnostics Laboratory, Poznan University of Medical Sciences, Poznan, Poland
7. Nephrology, Endocrinology and Metabolic Diseases, Medical University of Silesia, Katowice, Katowice, Poland
8. Department of Pathomorphology, Nicolaus Copernicus University, Bydgoszcz, Poland
9. Department of Pathology, Eastern Virginia Medical School, Norfolk, VA, USA
10. Pathology Department, Uniwersytet Medyczny w Lublinie, Lublin, Poland
11. Department of Nephrology, Transplantology, and Internal Medicine, Poznan University of Medical Sciences, Poznan, Poland
12. Department of Nephrology, Transplantation and Internal Medicine, Medical University of Gdańsk, Gdańsk, Poland
13. Department of Nephrology and Transplantology with Dialysis Unit, Medical University Bialystok, Bialystok, Poland
14. Department of Nephrology, with subdivision of Diabetology and Transplantology, District Specialist Hospital in Wroclaw, Wroclaw, Poland
15. Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, Wroclaw, Poland
16. Clinic of Nephrology, Transplantology and Internal Diseases, Pomeranian Medical University, Szczecin, Poland
17. Department of Nephrology and Kidney Transplantation, District Hospital in Szczecin, Szczecin, Poland
18. Department of Nephrology, Jagiellonian University, Krakow, Poland
19. Department of Internal Diseases, Nephrology and Transplantology, Central Clinical Hospital of the Ministry of Interior, Warsaw, Poland
20. Department of Nephrology, Silesian School of Medicine, Katowice, Poland
21. Department of Nephrology, Hypertension and Internal Medicine, Collegium Medicum UMK, Bydgoszcz, Poland
22. Department of Nephrology, District Hospital in Kielce, Kielce, Poland
23. Department of Internal Diseases, Nephrology and Dialysis, Military Institute of Medicine, Warsaw, Poland
24. Department of Nephrology, Hypertension and Kidney Transplantation, Medical University of Lodz, Lodz, Poland
25. Nephrology and Dialysis, Polish Mother's Memorial Hospital, Lodz, Poland
26. Department of Nephrology, Medical Center for Postgraduate Education, Warsaw, Poland
27. PD Unit, Chair and Department of Nephrology, Jagiellonian University, Cracow, Poland
28. Department of Nephrology, Dialysis, and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
29. Zakład Etyki i Filozofii Człowieka, Uniwersytet Medyczny w Lublinie, Lublinie, Poland
30. Department of Immunology, Transplant Medicine, and Internal Diseases, Medical University of Warsaw, Warsaw, Poland
31. Department of Nephrology, Regional Medical Centre in Opole, Poland
32. Dialysis Centre, Fresenius Nephrocare in Krakow, Poland