1. Department of Pathology; Hospital Universitario de Fuenlabrada; Madrid Spain
2. Department of Pathology; Hospital Universitario Fundación Alcorcón; Madrid Spain
3. Department of Pathology; Hospital Universitario de Getafe; Madrid Spain
4. Department of Pathology; Hospital Universitario Puerta de Hierro Majadahonda; Madrid Spain
5. Department of Dermatology; Hospital Universitario Fundación Alcorcón; Madrid Spain
6. Department of Dermatology; Hospital Universitario Fundación Jiménez Díaz; Madrid Spain
7. Department of Pathology; Hospital Universitario Fundación Jiménez Díaz; Madrid Spain
8. Department of Pathology; Hospital Universitario Infanta Sofía de San Sebastián de los Reyes; Madrid Spain