0253-5785 0253-5785 S0253-57852018000400091 Cuba Cuba Cuba Cuba 00 12 2018 00 12 2018 45 4 91 94 2014 38 2 2 67-81 2010 31 2015 64 INIVIT ACTAF 2007 18 2017 38 2 2 81 2011 Santa Clara, Villa Clara, Cuba ONEI 2017 2015 21 3 3 37-47 2017 3 1 1 20-30 2018 39 2 2 109