Table 2 International findings

Aguilera and Cacciari [3]

C, O

64

Ben-Akiva and Morikawa [2]

PT

20**

Diab et al. [14]

PT

42

x

Fatima et al. [17]

PT, C, A

130**

Gunther et al. [21]

PT, C, A

40**

Hansson et al. [23]

PT

37

Heinena and Bohte [24]

PT, C, A

39**

Iseki and Taylor [29]

PT

69**

x

Jamal and Newbold [30]

PT, C, A

78

Li and Yang [32]

PT

20**

Li and Hensher [33]

PT, C, A

20

x

x

x

Lierop et al. [34]

PT

21

Luiu et al. [36]

PT, C, A

54

McCarthy et al. [38]

PT, C, A

28

Mitra [39]

C, A

42

Molander et al. [40]

PT

60

Muñoz et al. [41]

A

54

x

x

Pronello and Gaborieau (2018)

PT, C, A

130**

Redman et al. [51]

PT, C

74

x

x