Agurs-Collins et al. 12 weeks
|
1997
|
USA
|
32
|
32
|
12
|
Moderate
|
Agurs-Collins et al. 24 weeks
|
1997
|
USA
|
32
|
32
|
24
|
Moderate
|
Balducci et al. 13 weeks
|
2010
|
Italy
|
20
|
20
|
13
|
Vigorous
|
Balducci et al. 26 weeks
|
2010
|
Italy
|
20
|
20
|
26
|
Vigorous
|
Balducci et al. 39 weeks
|
2010
|
Italy
|
20
|
20
|
39
|
Vigorous
|
Balducci et al. 52 weeks
|
2010
|
Italy
|
20
|
20
|
52
|
Vigorous
|
Belli et al.
|
2011
|
Brazil
|
9
|
10
|
12
|
Moderate
|
Boudou et al.
|
2000
|
France
|
8
|
8
|
9
|
Vigorous
|
Choi et al.
|
2012
|
Korea
|
38
|
37
|
12
|
Moderate
|
Church et al.
|
2010
|
USA
|
72
|
41
|
39
|
Vigorous
|
Cuff et al.
|
2003
|
Canada
|
9
|
9
|
16
|
Vigorous
|
de Oliveira
|
2012
|
Brazil
|
11
|
12
|
12
|
Moderate
|
da Silva et al. low
|
2011
|
Brazil
|
10
|
11
|
6
|
Low
|
da Silva et al. vigorous
|
2012
|
Brazil
|
10
|
11
|
6
|
Vigorous
|
Jorge
|
2011
|
Brazil
|
12
|
12
|
12
|
Moderate
|
Kadoglou
|
2007
|
Greece
|
30
|
30
|
26
|
Vigorous
|
Karstoft et al. continous
|
2013
|
Denmark
|
12
|
8
|
17
|
Moderate
|
Karstoft et al. interval
|
2013
|
Denmark
|
12
|
8
|
17
|
Vigorous
|
Lambers
|
2008
|
Belgium
|
19
|
16
|
12
|
Vigorous
|
Madden
|
2013
|
Canada
|
10
|
10
|
12
|
Vigorous
|
Mitranun et al. continuous
|
2014
|
Thailand
|
14
|
15
|
12
|
Moderate
|
Mitranun et al. interval
|
2014
|
Thailand
|
14
|
15
|
12
|
Vigorous
|
Moghadasi
|
2013
|
Iran
|
8
|
8
|
12
|
Moderate
|
Morton
|
2010
|
UK
|
15
|
12
|
7
|
Vigorous
|
Motahari-Tabari et al. 4 weeks
|
2014
|
Iran
|
27
|
26
|
4
|
Moderate
|
Motahari-Tabari et al. 8 weeks
|
2014
|
Iran
|
27
|
26
|
8
|
Moderate
|
O’Donovan et al. moderate
|
2005
|
UK
|
10
|
13
|
24
|
Moderate
|
O’Donovan et al. vigorous
|
2005
|
UK
|
13
|
13
|
24
|
Vigorous
|
Raz et al.
|
1994
|
Israel
|
19
|
19
|
12
|
Vigorous
|
Rönnemaa
|
1986
|
Finland
|
15
|
15
|
17
|
Vigorous
|
Shenoy
|
2010
|
India
|
20
|
20
|
8
|
Vigorous
|
Short
|
2003
|
USA
|
65
|
37
|
16
|
Vigorous
|
Sigal 13 weeks
|
2007
|
Canada
|
60
|
63
|
13
|
Vigorous
|
Sigal 26 weeks
|
2007
|
Canada
|
60
|
63
|
26
|
Vigorous
|
Sridhar
|
2010
|
India
|
30
|
22
|
52
|
Unclear
|
Sung 13 weeks
|
2012
|
Korea
|
22
|
18
|
13
|
Vigorous
|
Sung 26 weeks
|
2012
|
Korea
|
22
|
18
|
26
|
Vigorous
|
Yavari
|
2012
|
Iran
|
35
|
30
|
16
|
Vigorous
|