1. Departament of Cytology and Histology Normal and Pathological; University of Seville; Seville Spain
2. Department of Anatomic Pathology; Hospital Universitario Virgen Macarena; Seville Spain
3. Department of Dermatology; Hospital La Línea de la Concepción; Cádiz Spain
4. Department of Dermatology; Hospital Universitario Virgen Macarena; Seville Spain