J Glück1, B Rymarczyk1, U Paluch1, B Rogala1, Z Brzoza2. 1. Chair and Clinical Department of Internal Diseases, Allergology and Clinical Immunology, Medical University of Silesia, ul. Ceglana 35, 40-952, Katowice, Poland. 2. Chair and Clinical Department of Internal Diseases, Allergology and Clinical Immunology, Medical University of Silesia, ul. Ceglana 35, 40-952, Katowice, Poland. zbrzoza@mp.pl.