Letters to the Editor: Collection of Experiences Tekijä Salamanca, Laura Camila, Medina, Yolanda, Carvajal, Angélica María, Mora, Willian Alexander, Rodríguez, Ilba Yaneth, Quintero, Erlenzi, Ramos, Viviana Angélica, Calixto, Lina, Tobar, Mairon Felipe, Impomeni, Andrew Williams, Neisa, Daniela