1560-4381
1560-4381
S1560-43812020000200602
Ecuador
Cuba
Cuba
Ecuador
00
06
2020
00
06
2020
24
2
602
620
[
2013
7
13
13
20-5
]
[
2017
21
2
2
445-57
]
[
2018
6
1
1
]
[
]
[
]
[
2006
5
4
4
]
[
2017
]
[
2016
20
4
4
]
[
2010
26
4
4
119-202
]
[
2012
11
1
1
136-55
]
[
2015
19
2
2
]
[
1997
11
2
2
]
[
2010
352
23-51
]
[
2017
20
1
1
339-61
]
[
2017
]
[
2016
24
2
2
]
[
2018
56
2
2
]
[
2017
38
50
50
26
]
[
2018
47
3
3
]
[
2018
5
966-83
]