1. Department of Dermatovenereology, First Faculty of Medicine and General University Hospital, Charles University, Prague, Czech Republic
2. Department of Dermatovenereology, Third Faculty of Medicine, Charles University and Kralovske Vinohrady University Hospital, Prague, Czech Republic
3. Value Outcomes, Prague, Czech Republic
4. Department of Dermatovenereology, Faculty of Medicine in Pilsen, Charles University, Prague, Czech Republic
5. Department of Dermatology and Venereology, Faculty of Medicine and Dentistry, University Hospital Olomouc, Olomouc, Czech Republic