Affiliation: | 1. Department of Dermatology and Allergy, Charite – Universit?tsmedizin Berlin, Berlin, Germany;2. Department of Psychodermatology, Chair of Clinical Immunology and Microbiology, Medical University of Lodz, ?ód?, Poland;3. Department of Dermatology, Paediatric Dermatology and Oncology, Medical University of Lodz, ?ód?, Poland |