Rangel-Huerta, O. D.
Gomez-Fernández, A.
de la Torre-Aguilar, M. J.
Gil, A.
Perez-Navero, J. L.
Flores-Rojas, K.
Martín-Borreguero, P.
Gil-Campos, M.
Article History
Received: 22 January 2019
Accepted: 20 June 2019
First Online: 27 June 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: The present study was a cross-sectional case–control study case–control study and was approved by the Clinical Research and Bioethics Committee at Reina Sofia University Hospital respecting the fundamental principles established in the Declaration of Helsinki of 1964.
: Informed consent from the children’s legal guardians was obtained.