1. Department of Internal Medicine and Transplant Nephrology, Chair of Pulmonology, Rheumatology and Clinical Immunology, Medical University of Łódź, Łódź, Poland
2. Department of Nephrology, Hypertension and Kidney Transplantation, 1st Chair of Internal Medicine, Medical University of Łódź, Łódź, Poland
3. Department of Nephrology, Norbert Barlicki Memorial Teaching Hospital, Łódź, Poland