Funding for this research was provided by:
Spanish Ministry of Economy & Competitiveness (ECO2013-44027-P)
Economy & Knowledge Department—Catalan Government– (2014-SGR-1626)
Erasmus Mundus BMU-MID program
Article History
Received: 28 October 2015
Accepted: 20 January 2016
First Online: 2 February 2016