A 16-year-old male patient complains of itchy rash on the vermilion border of lips and in the mouth corners. The patient has a 4-year-old history of this disease with exacerbation periods mainly in autumn and winter. Objectively: vermilion border of lips and skin in the mouth corners is dry, peeling with small scales. Mouth corners are characterized by lichenification, deep folds and fissures, bloody crusts. What is the most likely diagnosis?