2709-7927 2709-7927 S2709-79272021000200288 Cuba Cuba Cuba 00 06 2021 00 06 2021 15 2 288 296

1 2016 20 4 4 2 2015 17 26 26 3 2018 4 2013 17 3 3 5 2018 19 2 2 6 2013 28 ^s4 ^s4 4 7 2016 20 4 4 8 2015 25 2 2 9 2015 19 1 1 10 2015 8 3 3