Author, year | Methodological quality (AMSTAR) |
---|---|
Thorpe et al., 2018 [18] | 12/16 – moderate |
Sommer et al.,2017 [19] | 10/16 – low |
Smith et al., 2011 [20] | 15/16- high |
Roskell et al., 2011 [6] | 13/16 – moderate |
Häuser et al., 2011 [21] | 14/16 – high |
Häuser et al., 2009 [5] | 14/16 – high |
Üçeyler et al., 2008 [22] | 9/16 – very low |
Perrot et al., 2008 [23] | 7/16 – very low |