2174-5145 2174-5145 S2174-51452017000100007 10.14306/renhyd.21.1.297 Chile Chile Chile Chile Chile Chile 00 03 2017 00 03 2017 21 1 49 54

1 World Health Organization 2 2014 384 9945 9945 766-81 3 2013 66 5 5 371-6 4 2015 86 1 1 12-7 5 2005 4 24 6 2016 91 4 4 443-55 7 2012 35 2 2 261-5 8 2007 26 1 1 32-8 9 2010 14 3 3 183-92 10 2016 43 31-7 11 2012 12 2010 5 6 6 458-60 13 2015 42 2 2 116-21 14 2016 49 1-6 15 2006 48 6 6 477-82 16 2009 42 9 9 1295-300 17 2011 26 1 1 84-9 18 2011 33 3 3 93-7