Table A1.

Quality assessment using Joanna Briggs Institute checklist for study design.

Author, Year of Publication, Ref	JBI Checklist Used	Score/Max Score
Andersson et al., 2017, [30]	RCT	11/13
Best et al., 2011, [46]	NRES	9/9
Boudville et al., 2004, [31]	NRES	9/9
Brocker et al., 1994, [32]	RCT	13/13
Carlsson et al., 2005, [33]	RCT	9/13
de Jong et al., 1999, [34]	RCT	9/13
Faxen-Irving et al., 2011, [35]	RCT	9/13
Hubbard et al., 2008, [36]	RCT	5/13
Irvine et al., 2004, [37]	NRES	9/9
Kimura et al., 2013, [38]	RCT	9/13
Mathey et al., 2001, [39]	RCT	9/13
Pouyssegur et al., 2015, [40]	RCT	9/13
Reuben et al., 2005, [41]	RCT	13/13
Robison et al., 2014, [42]	Qualitative	8/10
Ryan et al., 2004, [43]	NRES	9/9
Tylner et al., 2016, [47]	RCT	10/13
Wijnhoven et al., 2015, [44]	NRES	9/9
Yeh et al., 2000, [45]	RCT	13/13

RCT = randomized controlled trial. NRES = non-randomized experimental studies.