1 Department of Internal Medicine and Gerontology, Jagiellonian University Medical College, University Hospital, 2 Jakubowskiego St., building I, 5th floor, 30-688, Kraków, Poland.
2 Department of Internal Medicine and Gerontology, Jagiellonian University Medical College, University Hospital, 2 Jakubowskiego St., building I, 5th floor, 30-688, Kraków, Poland. jerzy.gasowski@uj.edu.pl.