Funding for this research was provided by:
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (BEX-2160/2015-03)
Spanish Government - CDTI (2014-CD224)
Consellería de Economía, Emprego e Industria, Xunta de Galicia (GRC 2013-032, AGRUP2015/02)
Article History
Received: 2 February 2018
Revised: 4 August 2018
Accepted: 9 September 2018
First Online: 1 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.