0213-9111 0213-9111 S0213-91112018000200011 10.1016/j.gaceta.2017.02.010 Spain Canada Canada Norway Chile Lebanon Italy United Kingdom USA Chile Chile Chile 00 04 2018 00 04 2018 32 2

1 2012 10 9 2 2012 12 454 3 2012 107 218-30 4 2006 18 365-9 5 2002 122 2619-23 6 2008 28 713-22 7 2009 302 1437-43 8 2012 50 249-56 9 2012 156 525-31 10 2010 19 11 2012 172 1628-33 12 2008 337 a2530 13 GRADE Working Group 2004 328 1490 14 GRADE Working Group 2008 336 924-6 15 2011 64 383-94 16 2013 8 6 17 GRADE Working Group 2008 336 1049-51 18 2013 66 719-25 19 2013 66 726-35 20 2013 11 19 21 GRADE Working Group 2016 353 i2089 22 World Health Organization 2013 23 1995 123 A12-3 24 2002 287 612-7 25 2010 152 738-41 26 2009 180 564-80 27 2015 163 548-53 28 2006 4 16 29 2011 6 62 30 GRADE Working Group 2008 336 995-8 31 2011 64 401-6 32 2015 147 754-63 33 2007 23 425-32 34 Cochrane Collaboration 2011 35 2003 19 1-7 36 Finnish National Institute for Health and Welfare 2013 37 2012 15 1172-81 38 2012 32 376-88 39 2013 66 140-50