Dermatooncology (incl. skin ultrasound, spectrophotometry, dermatoscopy and procedures of cryotherapy, electrosurgery, punch biopsy, excision and CO2 laser) / Interdisciplinary management of cutaneous melanoma / Chronic inflammatory skin diseases and contact allergy (incl. allergen patch testing) / Infectious skin diseases / Genodermatoses (incl. working in interdisciplinary team of Rare Skin Diseases Centre of the Hospital of LUHS, approved by ERN) / Sexually transmitted infections / Aesthetic dermatology (incl. procedures of chemical peelings, laser treatment of vascular lesions and rosacea)