1137-6627 1137-6627 S1137-66272017000200315 10.23938/assn.0024 Spain Spain Spain 00 08 2017 00 08 2017 40 2 315 317 1 2016 375 504-6 2 2016 5 303-7 3 2016 5 308-10 4 2010 63 233-7 5 2010 35 842-51 6 2014 28 997-9 7 2015 139-61