1413-2478 1413-2478 S1413-24782018000100156 10.1590/s1413-24782018230078 Brazil 00 00 2018 00 00 2018 23

1987 2 4 4 5-28 1999 23-89 2003 2011 2003 1992 1993 1989 1995 8 16 16 291-305 2002 1984 1976 3 1983 1985 1993 1994 1983 1991 2007 1992