1888-7546 1888-7546 S1888-75462016000400143 10.1016/j.ramd.2015.07.002 Chile Chile Chile Chile 00 00 2016 00 00 2016 9 4 143 147

1 1986 55 348-54 2 2003 33 889-919 3 2002 34 1660-6 4 2006 38 313-7 5 2006 16 412-7 6 2000 32 1729-36 7 2003 28 898-909 8 2004 38 568-75 9 2010 9 176-82 10 2010 108 435-42 11 2012 7 12 2004 36 1140-8 18 1996 17 354-81 14 1996 271 1 1 244-52 15 2009 94 795-804 16 2006 38 887-93 17 2009 2008 18 1996 17 354-81 19 1990 61 143-8 20 2002 35 741-52 21 2007 101 743-51 22 2003 285 1747-52 23 2009 296 1733-40 24 2000 83 388-94 25 1996 17 175-81 26 2004 36 1702-8 27 2013 13 534-42