Study	Reason for exclusion
Bigatão 2016	Fatigue was not a necessary inclusion criterion.
Boele 2018	Fatigue was not a necessary inclusion criterion.
Butler 2007	Fatigue was not a necessary inclusion criterion.
Gehring 2009	Fatigue was not a necessary inclusion criterion.
Gehring 2012	Fatigue was not a necessary inclusion criterion.
Gehring 2020	Fatigue was not a necessary inclusion criterion.
Hansen 2020	Fatigue was not a necessary inclusion criterion.
Kaleita 2006	Fatigue was not a necessary inclusion criterion.
Lee 2016	Fatigue was not a necessary inclusion criterion.
Locke 2008	Fatigue was not a necessary inclusion criterion.
Naughton 2018	Fatigue was not a necessary inclusion criterion. No control group.
Page 2015	Fatigue was not a necessary inclusion criterion.
Shaw 2006	Fatigue was not a necessary inclusion criterion. No control group.