1 Department of Electroradiology, School of Health Sciences, Medical University of Silesia, Katowice, Poland; Department of Radiology, Upper Silesian Medical Center, Katowice, Poland. bstasiow@sum.edu.pl
2 Department of Radiology, Upper Silesian Medical Center, Katowice, Poland
3 Department of Gerontology and Geriatric Nursing, School of Health Sciences, Medical University of Silesia, Katowice, Poland
4 Department of Electrocardiology and Heart Failure, School of Health Sciences, Medical University of Silesia, Katowice, Poland