Funding for this research was provided by:
FONDECYT (1171854)
ECOS CONICYT (C14E06)
ECOS SUD (C14E06)
REDES CONICYT (150040)
MINECO of Spain and ERDF of EU (MTM2014-59179-C2-1-P)
BASAL (AFB170001)
MINECO of Spain (MTM2015-65825-P)
ETSI Industriales UNED (2018-MAT14)
Article History
Received: 27 March 2018
Accepted: 27 September 2018
First Online: 13 October 2018