This study was supported by grants from Ministerio de Economia y Competitividad (grant SAF2016-75347R) and Plan Nacional sobre Drogas #2014I020, #2016I004). LDC received FPU grants from the Ministerio de Economía y Competitividad (15/02492). JC, LDC, EE, RLA and DP belong to the quality mentioned group 2017SGR979 by Generalitat de Catalunya. RLA position was funded by an institutional program of the
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