1578-8423 1578-8423 S1578-84232019000300001 Portugal 00 00 2019 00 00 2019 19 3 I III 2019 8 4 4 339-47 2013 3 403-28 2008 9 58-65 2014 134 4 4 1063-71 2009 2009 2011 22 2 2 171-85 1782 1993 2011 2007 32 6 6 394