1. Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, Lodz, Poland
2. Department of Cardiology and Internal Medicine, Military Medical Institute, Warsaw, Poland
3. Department of Hypertension, Medical University of Lodz, Lodz, Poland
4. Department of Nephrology, Hypertension and Family Medicine, WAM University Hospital of Lodz, Zeromskiego 113, 90-549 Lodz, Poland