Affiliation: | 1. Department of Internal Medicine, Medical University, Staszica St 16, Lublin, Poland 2. Department of Dermatology, Venereology and Paediatric Dermatology, Medical University, Radziwillowska St 13, Lublin, Poland 3. Students Medical Association, Medical University, Staszica St 16, Lublin, Poland 4. Dermatologikum Hamburg, Stephansplatz 5, Hamburg, Germany
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