Study	Reason for exclusion
AmbrosinoJm 2008	Wrong outcomes
Barsevick 2002	Adult population
Bauman 1994	Wrong outcomes
Belsky 1994	Wrong study design
BrownLk 2016	Adult population
Chalder 2002	Wrong study design
Chalder 2004	Wrong outcomes
Chernoff 2002	Wrong intervention
Garcia Perez 2010	Wrong study design
Gauntlett Gilbert 2013	Wrong study design
Gebert 1998	Wrong outcomes
Grover 2002	Adult population
Groß 2013	Wrong outcomes
Gulewitsch 2012	Wrong study design
Hesse 2015	Wrong study design
Jeppesen 2012	Wrong outcomes
Lemanek 2009	Wrong intervention
Long 2011	Wrong study design
Lyon 2014	Wrong intervention
Malboeuf Hurtubise 2016	Wrong study design
Naar King 2010	Adult population
OsterhausSo 1993	Wrong study design
Pless 1994	Adult population
Ribeiro 2008	Adult population
Riley 2015	Wrong study design
Saedi 2012	Wrong outcomes
Scholten 2013	Wrong outcomes
Shoshani 2016	Wrong intervention
Stapersma 2018	Adult population (<80% of participants were 18 years)
Stubbe 2008	Wrong patient population
Westrupp 2015	Wrong outcomes
Yorke 2017	Adult population (<80% of participants were 18 years)