1026-8774
1026-8774
S1026-87742016000200254
Mexico
Mexico
00
08
2016
00
08
2016
33
2
254
269
[
1988
22
149-56
]
[
2003
200
3-4
3-4
241-53
]
[
2015
30
2323-33
]
[
2009
277
318-26
]
[
2005
69
10
10
2629-46
]
[
2003
27
2
2
133-45
]
[
2001
25
1
1
41-56
]
[
2010
297
598-606
]
[
1997
127
3
3
248-60
]
[
2004
207
3
3
261-75
]
[
1968
3
4
4
323-5
]
[
2008
273
1-2
1-2
48-57
]
[
2014
377
44-55
]
[
2010
35
1
1
125-43
]
[
2002
17
12
12
1567-74
]
[
2011
299
2
2
87-93
]
[
2006
233
1
1
126-36
]
[
2006
245
1-2
1-2
153-61
]
[
2016
34
174-86
]
[
1967
31
289-308
]
[
1984
1623
]
[
2014
]
[
2002
36
1
1
83-9
]
[
1973
77A
691
]
[
2013
362
171-81
]
[
2016
240-243
104-18
]
[
2005
39
1
1
83-90
]
[
2006
7
2
2
1-44
]
[
2002
74
1
1
67-73
]
[
2004
5
1
1
1-17
]
[
2005
224
201-11
]
[
2001
73
11
11
2453-60
]
[
2005
543
1
1
209-21
]
[
2006
146
1-15
]
[
2007
22
1
1
69-76
]
[
2008
9
1
1
1-16
]
[
2013
]
[
1999
156
1
1
251-73
]
[
2001
2
1-19
]
[
2005
246
1
1
10-8
]
[
2010
74
751-62
]
[
2005
220
105-20
]
[
1980
75
3
3
263-7
]
[
2010
81
741-53
]
[
1988
31
10
10
1236-68
]
[
R Core Team
2016
]
[
1978
42
8
8
1075-90
]
[
2011
12
8
8
]
[
1999
80
46
46
]
[
2001
293
5530
5530
683-7
]
[
2004
32
5
5
405-8
]
[
2003
18
10
10
1217-23
]
[
2006
152
6
6
703-20
]
[
2010
159
4
4
521-39
]
[
2004
219
311-24
]
[
2010
295
1
1
1-11
]
[
2003
59
2
2
365-73
]
[
2007
259
3
3
432-41
]
[
2000
181
115-29
]
[
2004
5
11
11
1-15
]
[
2011
75
5903-26
]
[
2008
116
619-39
]
[
2010
182
1-2
]
[
2007
8
6
6
1-15
]
[
2009
]
[
2011
40
1
1
1-29
]
[
2015
]
[
2013
85
1047-78
]
[
2013
85
23
23
11258-64
]
[
2010
290
2
2
120-6
]