Bonilla Valverde, José P. http://orcid.org/0000-0001-8765-9534
Stefan, Catalin
Palma Nava, Adriana
Bernardo da Silva, Eduardo
Pivaral Vivar, Hugo L.
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01LN1311A)
Programa de Innovación y Capital Humano para la Competitividad
Deutscher Akademischer Austauschdienst
Article History
Received: 4 November 2016
Accepted: 30 January 2018
First Online: 15 February 2018
Conflict of interest
: The founding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, and in the decision to publish the results.