1. Department of Cardiology and Electrotherapy, Faculty of Medicine, Medical University of Gdańsk, 80-210 Gdańsk, Poland
2. 1st Department of Cardiology, Faculty of Medicine, Medical University of Gdańsk, 80-210 Gdańsk, Poland
3. Department of Oncology and Radiotherapy, Faculty of Medicine, Medical University of Gdańsk, 80-210 Gdańsk, Poland
4. Centre of Biostatistics and Bioinformatics Analysis, Medical University of Gdańsk, 1a Debinki, 80-211 Gdańsk, Poland