2528-7907 2528-7907 S2528-79072024000100089 10.36097/rsan.v1i57.2779 Ecuador Ecuador Ecuador 00 05 2024 00 05 2024 1 57 89 103

2022 2021 5 3 3 149-57 2021 23 2 2 144-50 2013 25 2 2 129-40 2006 11 1 1 20-3 2021 37 1 1 154-62 1994 116 2 2 2022 17 1 1 35 2013 87 267-75 2022 2018 12 9 9 2012 34 292-7 2009 193 16-21 2003 85-103 2009 79 4 4 237-9 2019 4 11 11 1994 2005 1 1 1 24-33 2021 61 3 3 452-60 World Health Organization 1991