Ma. Cristina Fialho, Department of Dermatology and Venereology, Hospital de Santo António dos Capuchos, Unidade Local de Saúde de São José, Lisbon, Portugal Emanuel Marques, Department of Dermatology and Venereology, Hospital de Santo António dos Capuchos, Unidade Local de Saúde de São José, Lisbon, Portugal; Department of Dermatology and Venereology, NOVA Medical School, NOVA University of Lisbon, Lisbon, Portugal Monika Arenbergerová, Department of Dermatology and Venereology, Královské Vinohrady University Hospital, Prague, Czech Republic; Department of Dermatology and Venereology, Third Faculty of Medicine, Charles University, Prague, Czech Republic Petr Arenberger, Department of Dermatology and Venereology, Královské Vinohrady University Hospital, Prague, Czech Republic; Department of Dermatology and Venereology, Third Faculty of Medicine, Charles University, Prague, Czech Republi Zoltán Paluch, Department of Clinical Pharmacology and Pharmacy, General University Hospital, Prague, Czech Republic; Department of Clinical Pharmacology and Pharmacy, General University Hospital, Institute for the Care of Mother and Child, Prague, Czech Republic Marek Pásek, Department of Dermatology and Venereology, Královské Vinohrady University Hospital, Prague, Czech Republic; Department of Dermatology and Venereology, Third Faculty of Medicine, Charles University, Prague, Czech Republic