Maria C. Fialho, Dermatology and Venereology Department, Santo António dos Capuchos Hospital, São José Local Health Unit, Lisbon, Portugal José M. Neves, Dermatology and Venereology Department, Santo António dos Capuchos Hospital, São José Local Health Unit, Lisbon, Portugal Cândida Fernandes, Dermatology and Venereology Department, Santo António dos Capuchos Hospital, São José Local Health Unit, Lisbon, Portugal