Funding for this research was provided by:
Consejo Nacional de Ciencia y Tecnología
Programa para el Desarrollo Profesional Docente
Text and Data Mining valid from 2018-11-09
Received: 19 June 2018
Accepted: 26 October 2018
First Online: 9 November 2018
Ethics approval and consent to participate
: The project was carried out according to Declaration of Helsinki guidelines, and all procedures were approved by the Ethics and Research Committee of the University Center for Health Sciences, University of Guadalajara (registration number CI-13909). All participants signed an informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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