Correction: Placental Histopathological Changes Associated with Infection during Pregnancy. - Rodrigo M. Souza; Ricardo Ataíde; Jamille G. Dombrowski; Vanessa Ippólito; Elizabeth H. Aitken; Suiane N. Valle; José M. Álvarez; Sabrina Epiphânio; Claudio R. F. Marinho (Public Library of Science (PLoS), 2013)