1. Department of Nephrology, Transplantology and Internal Medicine; Medical University of Gdańsk; Gdańsk Poland
2. Department of Transplantation Medicine and Nephrology; Transplantation Institute; Medical University of Warsaw; Warszawa Poland
3. Department of General, Endocrine and Transplant Surgery; Medical University of Gdańsk; Gdańsk Poland
4. Department of Clinical Microbiology; University Clinical Center of Gdańsk; Gdańsk Poland