1. Department of Dermatology Military Institute of Medicine Warsaw Poland
2. Department of Dermatology, Centre of Postgraduate Medical Education Central Clinical Hospital of the Ministry of Interior and Administration Warsaw Poland
3. Department of Dermatology University of Rzeszow Rzeszow Poland
4. Department of Dermatology, Paediatric and Oncological Dermatology Medical University of Lodz Lodz Poland
5. Department of Medicine Medical University of Warsaw Warsaw Poland
6. Faculty of Health Sciences University of Humanities and Economics in Lodz, Satellite Campus Warsaw Poland