2709-7927 2709-7927 S2709-79272021000200322 Cuba 00 06 2021 00 06 2021 15 2 322 327

1 2003 25 1 1 2 2012 6 1 1 3 2018 16 4 4 4 2017 19 6 6 5 2015 65 4 4 6 2010 60 3 3 7 2007 1 1 1 8 2013 52 12 12 9 2018 99 1 1 10 2019 110 10 10 11 2016 25 3 3