1. Department of Nephrology, Transplantology and Internal Diseases, Poznań University of Medical Sciences, Poznań, Poland
2. Dialysis Center, DaVita Clinic Piła, Piła, Poland
3. Student Nephrology Research Group, Department of Nephrology, Transplantology and Internal Diseases, oznań University of Medical Sciences, Poznań, Poland
4. Department of Biochemistry and Molecular Biology, Poznań University of Medical Sciences, Poznań, Poland
5. Department of Computer Science and Statistics, Poznań University of Medical Sciences, Poznań, Poland