2184-7770
2184-7770
S2184-77702021000400239
10.36367/ntqr.9.2021.239-248
España
Spain
30
06
2021
30
06
2021
9
239
248
[
2013
411
950-3
]
[
2013
23
1-2
1-2
56-83
]
[
2008
10
4
4
541-54
]
[
2006
10
1
1
94-107
]
[
2014
16
3
3
]
[
2011
18
8
8
1115-32
]
[
2014
18
2
2
366-81
]
[
2015
]
[
2010
36
2
2
175-93
]
[
1991
2
1
1
40-57
]
[
2012
22
10
10
1435-43
]
[
2010
26
2
2
235-46
]
[
2017
]
[
2020
19
2
2
47-63
]
[
2000
4
1
1
27-38
]
[
2015
46
6-16
]
[
2011
38
10
10
12423-31
]
[
2011
15
2
2
251-69
]
[
2011
96
6
6
1234-45
]
[
2007
45
7
7
1069-82
]
[
2017
35
1
1
64-77
]
[
2010
88
3
3
82-9
]
[
2014
14
1
1
1-10
]
[
The PRISMA Group
2009
6
7
7
]
[
2012
1
2
2
114-26
]
[
2014
34
339-44
]
[
2011
32
1
1
41-59
]
[
2002
34
3
3
213-9
]
[
2018
17
1
1
]
[
2008
8
1
1
1-10
]
[
2012
12
1
1
]
[
2014
72
37-47
]
[
2011
41
1
1
7-25
]
[
1999
]
[
2002
]