0001-6002 0001-6002 S0001-60022020000200091 Costa Rica 00 06 2020 00 06 2020 62 2 91 91 1 WHO 1996 2nd 2 World Health Organization 2011 3 World Health Organization 2012 4 2020 98 3 3 5 6 2016 7 2020 368 8 2018 ^s4 ^s4 4 iv166-91 9 2019 17 8 8 977-1007 10 2013 32 4 4 275-84 11 2010 4 24-5 12 2016 15 ^s1 ^s1 1 3-34.