Affiliation: | 1. Chair and Department of Dermatology, Venereology and Pediatric Dermatology, Medical University of Lublin, Lublin, Poland;2. University of Medicine, Department of Dermatology, Venereology and Allergology, Ludwik Hirszweld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland;3. Department of Psychodermatology, Medical University of Lodz, ul Krzemieniecka, Lodz, Poland;4. Dermatology Department, Charles University, Bulovka University Hospital, Prague, Czech Republic |