Piazza, M. and Fiestas, F. 2014. Comments to the articles: “annual prevalence of mental disorders and use of mental health services in Peru: results of the world mental health study, 2005” and “lifetime prevalence and age of onset of mental disorders in Peru: results of the world mental. Revista Peruana de Medicina Experimental y Salud Pública. 31, 4 (Dec. 2014). DOI:https://doi.org/10.17843/rpmesp.2014.314.141.