Table 2 Overview of charted data items

a.

Author (s)

b.

Publication Year

c.

Country of origin

d.

Adherence to standardization practice

e.

Study type

f.

Study design

g.

Study purpose

h.

Setting

i.

Sample size

j.

Participants

k.

Results

l.

Individual factors

m.

Group/social factors

n.

Reviewers’ notes

o.

Full reference