Table 1. Characteristics of articles included in the comprehensive review, according to authors, title, country of origin, study design, Critical Appraisal Skill Program (CASP) index and Agency for Healthcare and Research and Quality’s (AHRQ) index. Recife, PE, Brazil, 2018.

Authors/year	Country of origin	Study design	CASP	AHRQ
Teague et al., 2018	Australia	Case-control	B	IV
Al-Yagon et al., 2017	Israel	Case-control	A	IV
Tarantino et al., 2017	Italy	Case-control	A	IV
Pinto et al., 2016	Portugal	Cross-sectional	A	VI
Keenan et al., 2016	Australia	Case-control	A	IV
Storebø et al., 2015	Denmark	RCT	A	II
Siller et al., 2014	United States	RCT	A	II
Grzadzinski et al., 2014	United States	Longitudinal	A	VI
Esposito et al., 2013	Italy	Case-control	A	IV
Bahrami et al., 2013	Iran	Cross-sectional	A	VI
Oppenheim et al., 2012	Israel	Cross-sectional	A	VI
Guzmán, 2012	Chile	Qualitative	A	VI
Anderson e Whitaker, 2011	United States	Cohort	A	IV
Sanini et al., 2008	Brazil	Qualitative	B	VI
Quiroga e Fanes, 2007	Spain	Case-control	A	IV
Van Ijzendoorn et al., 2007	Holland	Case-control	A	IV

RCT: Randomized clinical trial.