1390-1249 1390-1249 S1390-12492023000300007 Ecuador Ecuador Ecuador 00 12 2023 00 12 2023 77 7 12 2005 157-69 2016 2018 2016 73 15-44 2019 2015 2018 1957 2020 2008 56 1 1 1-24 2010 167 2008 40 4 4 379-97 2004 2015 111-61