0001-6002 0001-6002 S0001-60022018000100004 Costa Rica 00 03 2018 00 03 2018 60 1 4 6 1 1994 2 2016 3 2005 80 62-70 4 2001 935 75-85 5 2009 373 1654-7 6 2008 372 21-7