This work is being supported by the Spanish Government with the project GUISTUB (DPI 2004-06626), 2004-2007; the project SIBTRA (DPI 2007-64137), 2007-2010; the project SAGENIA (DPI 2010-18349), 2010-2014; and recently by the project STIRPE (DPI2013-46897-C2-1-R) 2014-2017.
This work is also being supported by the Canarian Agency for Research, Innovation and Information Society (ACIISI), granting several post-graduate scholarships to some of the members of the team.