[1] Hosp Univ El Bierzo, Dept Histopathol, Cellular Pathol, Ponferrada, Spain
[2] Biomed Invest Inst A Coruna, CellCOM ST Grp, La Coruna, Spain
[3] Hosp Reina, Dept Histopathol, Cellular Pathol, Ponferrada, Spain
[4] Complejo Hosp Univ Pontevedra, Dept Dermatol, Pontevedra, Spain