1. Department of Dermatology, School of Medicine in Katowice Medical University of Silesia Katowice Poland
2. Department of Internal Medicine, Rheumatology and Clinical Immunology, School of Medicine in KatowiceMedical University of Silesia KatowicePoland
3. Students' Scientific Association at the Department of Dermatology, School of Medicine in Katowice Medical University of Silesia Katowice Poland