Table A8.

Quality assessment of non-randomised controlled studies using Risk of Bias In Non-randomised Studies of Interventions (ROBINS-I) tool.

Author and Year	Q 1	Q 2	Q 3	Q 4	Q 5	Q 6	Q 7	Overall
Bray et al., 2013 [17]	Low	Low	Low	Low	Low	Low	Low	Good
Kravertz et al., 2016 [107]	Moderate	Low	Low	Low	Low	Low	Moderate	Fair
Petersen et al., 2019 [109]	Low	Low	Low	Low	Low	Low	Low	Good
Ruikes et al., 2016 [21]	Low	Low	Low	Low	Low	Low	Low	Good
Seidu et al., 2017 [110]	Moderate	Low	Low	Low	Low	Low	Moderate	Fair
Sommers et al., 2000 [111]	Low	Low	Low	Low	Low	Low	Low	Good
Vestjens et al., 2019 [108]	Low	Low	Low	Low	Low	Low	Low	Good