1809-3876 1809-3876 S1809-38762020000401879 10.23925/1809-3876.2020v18i4p1879-1894 Brazil Brazil Brazil 00 10 2020 00 10 2020 18 4 1879 1894

1993 15 15 2011 2009 9 1 1 2006 108 6 6 1017-54 1994 1991 2014 Vienna, Austria 2014 1987 57 1 1 1-22 1998 2 29-53 2016 14 3 3 864-97