1659-4142
1659-4142
S1659-41422018000200146
10.15517/eci.v8i2.30085
Cuba
Cuba
00
12
2018
00
12
2018
8
2
146
158
[
2017
20
1
1
3-10
]
[
2016
]
[
2015
9
40
40
7-16
]
[
2017
]
[
2016
27
3
3
410-9
]
[
2015
29
67
67
77-89
]
[
2015
12
2
2
11-25
]
[
2015
32
32
5-10
]
[
2016
21
2
2
217-44
]
[
2000
50
12
12
1051-63
]
[
2016
]
[
2016
10
1
1
137-62
]
[
2015
5
5
44-60
]