Funding for this research was provided by:
Professional Teacher Development Program (Project number UDG-PTC-1165)
Text and Data Mining valid from 2018-04-10
Received: 2 June 2017
Accepted: 20 March 2018
First Online: 10 April 2018
Ethics approval and consent to participate
: All procedures performed in studies involving animal models were in accordance with the ethical standards of the institutional ethics committee of Centro Universitario de Tonalá and the Mexican Official Standard NOM-062-ZOO-1999, which were approved by the same committee.
: Not applicable.
: The authors declare that they have no competing interests.
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