Maria Relvas, Dermatovenereology Department Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal Francisca Morgado, Dermatology Department, Coimbra Hospital and University Center, Coimbra, Portugal José C. Cardoso, Department of Dermatology, Coimbra University Hospital Center, Coimbra, Portugal Margarida Gonçalo, Faculty of Medicine, University of Coimbra, Coimbra, Portugal