Text and Data Mining valid from 2019-06-03
Received: 10 July 2018
Accepted: 16 January 2019
First Online: 3 June 2019
Ethics approval and consent to participate
: Universidad CES Ethics Committee approved this research study in the session 94 in 2016 and its consent form was approved and sealed on February 3rd, 2017.
: Not applicable.
: The authors declare that they have no competing interests.
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