title: Authors Response: Preeclampsia prevention: a case-control study nested in a cohort.
authors.affiliation: Grupo de Investigación en Epidemiología y Servicios (GRIEPI). Universidad Libre-seccional Cali, Cali, Colombia.
authors.forename: Alberto
authors.initials: A
authors.lastname: Alzate
authors.affiliation: Grupo de Investigación en Epidemiología y Servicios (GRIEPI). Universidad Libre-seccional Cali, Cali, Colombia.
authors.forename: Rodolfo
authors.initials: R
authors.lastname: Herrera
authors.affiliation: Coomeva EPS. Cali, Colombia.
authors.forename: Lucia Maracelly
authors.initials: LM
authors.lastname: Pineda