Funding for this research was provided by:
Secretaría de Educación Superior, Ciencia, Tecnología e Innovación (Prometeo Project 2013-2016)
Universidad de las Fuerzas Armadas ESPE (Prometeo Project 2013-2016)
Article History
Received: 2 June 2020
Accepted: 1 September 2020
First Online: 11 September 2020
Compliance with ethical standards
:
: The authors confirm they have no conflict of interest.