1. Department of Dermatovenereology Third Faculty of Medicine Charles University and Králosvské Vinohrady University Hospital Prague Czech Republic
2. Department of Pharmacology Second Faculty of Medicine Charles University Prague Czech Republic
3. St. John Nepomucene Neumann Institute, Příbram, Czech Republic St. Elisabeth University of Health Care and Social Work Bratislava Slovak Republic
4. Department of Dermatovenerology Second Faculty of Medicine, Charles University and Bulovka University Hospital Prague Czech Republic
5. Department of Pharmacology First Faculty of Medicine Charles University Prague Czech Republic
6. Department of Statistics and Operation Analysis Faculty of Business and Economics of Brno Mendel University in Brno Brno Czech Republic
7. Department of Dermatovenerology Second Faculty of Medicine Charles University Prague Czech Republic