1. Department of Cellular Pathology Hospital El Bierzo Ponferrada Spain
2. Department of Cellular Pathology Hospital de la Reina Ponferrada Spain
3. Research Department, Institute for Biomedical Research of A Coruña (INIBIC) University of A Coruña (UDC) A Coruña Spain
4. Dermatology Department Hospital Universitario Ramón y Cajal Madrid Spain
5. Dermatology Department Hospital Universitario Quirón San José Madrid Spain
6. Dermatology Department Hospital Universitario HM Montepríncipe Madrid Spain
7. Department of Anatomic Pathology Complexo Hospitalario Universitario de Ourense Ourense Spain
8. Department of Dermatology Complexo Hospitalario Universitario de Ourense Ourense Spain