León-Reyes, G.
Espino y Sosa, S.
Medina-Navarro, R.
Guzmán-Grenfell, A. M.
Medina-Urrutia, A. X.
Fuentes-García, S.
Hicks, G. J. J.
Torres-Ramos, Y. D.
Article History
Received: 2 March 2018
Accepted: 3 May 2018
First Online: 10 May 2018
Ethics approval and consent to participate
: This study was approved by the Research, Ethics, and Biosafety Committees of the National Institute of Perinatology (registration number 212250–3210–21,001-02-14).
: The authors declare that they have no competing interests.
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