|
Author & year
|
Methodological score
|
Quality rating
|
|---|
|
Cohort studies
| | |
|
Higdon 1997 [28]
|
14/22
|
Low
|
|
Bliss 2009 [29]
|
18/22
|
High
|
|
Farin et al. 2012 [30]
|
20/22
|
High
|
|
Ferreira et al. 2013 [5]
|
20/22
|
High
|
|
Randomized controlled trial
| | |
|
Fuentes et al. 2014 [31]
|
9/10
|
High
|
