1659-1321 1659-1321 S1659-13212019000200447 10.15517/am.v30i1.34145 Costa Rica Costa Rica 00 08 2019 00 08 2019 30 2 447 458

2014 81 1 1 5-17 2018 30 810-9 2011 76 1473-86 2005 63 992-1003 2010 74 424-35 1981 4 2 2 83-95 2017 177 97-104 2005 26 1 1 115-22 2011 76 448-54 1988 20 433-40 2013 1 879-85 2012 44 542-9 1990 11 453-9 1998 13 3 3 611-9 1995 1 60-6 2005 64 614-7 1992 7 1417-21 2010 73 225-31 2011 89 383-8 2008 105 119-28 1978 30 313-8 2008 41 2 2 60-6 1990 11 52-8 2009 44 419-23 2013 112 128-35 2015 61 307-13 2006 27 257-62 2003 60 1553-68 1995 42 233-47 2015 85 3-11 2001 57 151-9 2012 10 4 4 132-8 2018 30 924-34 2010 118 255-64 2008 69 1129-38 2001 16 1 1 121-4 1976 78 385-413 2002 57 149-79 2008 70 704-14 World Health Organization 2010 5