1 Department of Nephrology, Hypertension, and Kidney Transplantation, Medical University of Lodz, Łódź, Poland. nefro@wp.pl
2 Department of Internal Medicine, Jagiellonian University Medical College, Kraków, Poland
3 2nd Department of Neurology, Institute of Psychiatry and Neurology, Warsaw, Poland
4 Department of Nephrology and Internal Medicine, Centre of Postgraduate Medical Education, Warsaw, Poland
5 Department of Internal Medicine and Nephrology, Międzyleski Hospital, Warsaw, Poland
6 Department of Cardiology, Pomeranian Medical University, Szczecin, Poland
7 Department of Interventional Cardiology and Angiology, Institute of Cardiology, Warsaw, Poland
8 1st Department of Cardiology, Poznan University of Medical Science, Poznań, Poland
9 Department of Nephrology, Transplantology, and Internal Diseases, Poznan University of Medical Sciences, Poznań, Poland
10 Department of Heart Diseases, Wroclaw Medical University, Wrocław, Poland; Cardiology Department, Centre for Heart Disease, Military Hospital, Wrocław, Poland
11 Department of Neurological-Psychiatric Nursing, Medical University of Gdańsk, Gdańsk, Poland; Neurology Department, St. Adalbert Hospital Copernicus, Gdańsk, Poland
12 Department of Inborn Errors of Metabolism and Pediatrics, Institute of Mother and Child, Warsaw, Poland
13 Department of Pediatric Nephrology, Wroclaw Medical University, Wrocław, Poland