1561-3194 1561-3194 S1561-31942019000500664 Cuba 00 10 2019 00 10 2019 23 5 664 670

1 2018 22 6 6 2 2018 3 2016 4 3 3 4 2016 33 3 3 5 2017 6 2018 22 3 3 7 2010 1-8 8 2017 81 1 1 9 2016 38 4 4 10 2018 10 7 7 11 2014 53 4 4 12 2013 17 2 2