Keratoderma-hypotrichosis-leukonychia Totalis Syndrome: A New Case Report of an Exceptional Entity - Carlos Gutiérrez-Cerrajero; Nerea Gestoso-Uzal; Nelmar Valentina Ortiz-Cabrera; Rogelio González-Sarmiento; Ángela Hernández-Martín (Acta Dermato-Venereologica)