Armenta-Paulino, Nancy
Castelló, Adela
Sandín Vázquez, María
Bolúmar, Francisco
Article History
Received: 19 September 2019
Accepted: 4 February 2020
First Online: 12 March 2020
Ethics approval and consent to participate
: This paper is based solely on publicly available data from Demographic and Health Surveys and Multiple Indicator Cluster Survey. Ethical clearance was obtained by the institutions that conducted the surveys in each country.
: Not applicable
: The authors declare that they have no competing interests.