1. Department of Cellular PathologyHospital El Bierzo Ponferrada Spain
2. Department of the CellCOM‐SB Research GroupBiomedical Investigation Institute of A Coruña A Coruña Spain
3. Department of Cellular PathologyHospital de la Reina Ponferrada Spain
4. Department of DermatologyInstituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Mexico City Mexico
5. Department of DermatopathologyInstituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Mexico City Mexico
6. Department of PathologyLos Angeles Medical Center (LAMC), Southern California Kaiser Permanente Los Angeles California