Table 5.

Methodological quality of the studies included in the review as assessed by the McMasters Quality Assessment

Study	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	Score
Buckland [14]	1	1	1	0	1	1	1	1	1	1	1	0	0	1	1	12/15
Hillstrom [16]	1	1	1	0	1	1	1	1	1	1	1	0	0	1	1	12/15
Lythgo [5]	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	15/15
Kennedy [15]	1	1	1	0	1	1	1	1	1	1	1	1	1	1	1	14/15