Study	Reason for exclusion
Aguilera Eguía 2014	Wrong study design
Akbaba 2017	Wrong intervention
Apeldoorn 2017	Wrong intervention
Desjardins‐Charbonneau 2015	Wrong study design
Djordjevic 2012	Outcome of interest was not measured.
Dong 2015	Wrong study design
Elliot 2003	Wrong study design
Fong 2019	Outcome of interest was not measured.
Kalter 2011	Wrong intervention
Karakaş 2015	Wrong population
Kim 2014	Wrong study design
Lambers Heerspink 2015	Wrong population
Leong 2017	Outcome of interest was not measured.
Leong 2019	Outcome of interest was not measured.
Ozer 2017	Wrong population
Parreira 2014	Wrong study design
Pekyavas 2014	Wrong study design
Polimeni 2003	Wrong intervention
Reynard 2018	Wrong population
Shih 2018	Wrong intervention
Teys 2013	Wrong intervention