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Affiliations

• ¹ Faculty of Physics, Warsaw University of Technology, Koszykowa 75 St. Warsaw 00-662, Poland.
• ² Department of Cardiology, Asklepios Hospital St. Georg, Hamburg, Germany, Faculty of Medicine, Semmelweis University Campus Hamburg, Hamburg, Germany.
• ³ Department of Cardiac Rehabilitation and Noninvasive Electrocardiology, Institute of Cardiology, Alpejska 42, Warsaw 04-628, Poland.
• ⁴ Department of Hypertension and Diabetology, Medical University of Gdańsk, Dębinki 7, Gdańsk 80-211, Poland.