Funding for this research was provided by:
Departamento Administrativo de Ciencia, Tecnología e Innovación (833-2015.)
Received: 2 October 2018
Accepted: 6 February 2019
First Online: 15 February 2019
: This study was approved by the Institutional Review Board of University of Antioquia (2015–4690).
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: The authors declare that they have no competing interests.
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