Table 4 Articles not selected from the initial abstract selection list and reasons for exclusion

Goldson and Henrikson 1975 [[41]]

1

Lee et al. [[42]]

1

McNab et al. [[43]]

1

Alwali et al. [[44]]

4

Brin et al. [[45]]

3

Segal et al. [[46]]

2

Nasiopoulos et al. [[47]]

4

Janson et al. [[48]]

1

Huang et al. [[49]]

1

Weltman et al. [[50]]

2

Sunku et al. [[51]]

1

Kinzinger et al. [[52]]

4

Wahab et al. [[53]]

4