Study

Year

Nation

Age (years)

Gender (male/female)

Groups

N

Recruitment time

Cabral [25]

2016

Brazil

65.2il NE

63/50

IVT

82

2009 to 2014

IAT

31

Ciccone [26]

2009

Italy

62.7yN NE

42/12

IVT

29

January 2004 to February 2008

IAT

25

Jensen [27]

2016

USA

53.6IN NE

25/10

IVT

11

January 2010 to May 2015

IAT

24

Mattle [28]

2007

Switzerland

61.9zerla

66/46

IVT

57

July 1998 to March 2006

IAT

55

Sanak [29]

2010

Czech

61.5hN NE

19-Nov

IVT

20

January 2005 to September 2007

IAT

10

Wolfe [30]

2008

USA

67.5IN NE

47/49

IVT

41

September 1996 to April 2003

IAT

55