Bolívar-González, Alejandro
Valdez-Melara, Marta
Gatica-Arias, Andrés
Funding for this research was provided by:
Vicerrectoría de Investigación, Universidad de Costa Rica (111-B5-140)
Ministerio de Ciencia Tecnología y Telecomunicaciones (FI-030B-14)
Article History
Received: 15 December 2017
Accepted: 1 July 2018
First Online: 10 July 2018
Compliance with ethical standards
: All authors read and approved the final manuscript.
: The authors declare that they have no conflict of interest.