title: [Letters to the editor].
authors.affiliation: Facultad Ciencias de la Salud, Universidad Tecnológica de Pereira, Pereira, Colombia.
authors.forename: Jorge E
authors.initials: JE
authors.lastname: Machado-Alba
authors.affiliation: Audifarma S.A..
authors.forename: Diego A
authors.initials: DA
authors.lastname: Medina-Morales
authors.affiliation: Asociación Científica de Estudiantes de Medicina de Risaralda (ACEMRIS).
authors.forename: Mauricio
authors.initials: M
authors.lastname: Montoya-Cañon
mesh_terms: D003428:Cross Infection / Q000401:mortality*; D005260:Female; D017052:Hospital Mortality; D006785:Hospitals, University / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D062606:Tertiary Care Centers / Q000706:statistics & numerical data*