2448-6558 2448-6558 S2448-65582021000200833 10.24201/nrfh.v69i2.3760 Spain 00 12 2021 00 12 2021 69 2 833 837 2002 2006 2013 7 549-70 2011 2002 2007 2 1-20 2007 14 247-86 2019 5 1-13 2014