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Authors
Ramírez-De los Santos, Saúl
López-Pulido, Edgar Iván
Medrano-González, Isabel del Carmen
Becerra-Ruiz, Julieta Saraí
Alonso-Sanchez, Carmen Celina
Vázquez-Jiménez, Sonia Isela
Guerrero-Velázquez, Celia
Guzmán-Flores, Juan Manuel https://orcid.org/0000-0002-4673-112X
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Funding
Funding for this research was provided by:
SEP-PROMEP (UDG-CA-805 and UDG-PTC-1149)
UDG-PROSNI (2954945)
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Article History
Received: 11 October 2019
Accepted: 29 March 2020
First Online: 13 April 2020
Compliance with ethical standards
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: The authors declare that they have no conflict of interest.
: The research protocol was approved by the local ethics committee, with the official number: CUA/CEI/004/2018; the study was performed following the Declaration of Helsinki.
: Informed consent was obtained from all parents or guardians of the participants included in this study.
