0211-5735 0211-5735 S0211-57352020000200009 10.4321/s0211-573520200020009 España 00 12 2020 00 12 2020 40 138 163 170 1 2005 2 2008 3 2015 15 24 24 13-25 4 2000 5 2018 19-74 6 2014 7 2016