Study	Reason for exclusion
Dougherty 2004	A randomised controlled design was not used
Dunbar 2009	Intervention was not exercise‐based
Edelman 2006	Intervention was not exercise‐based
Fichet 2003	A randomised controlled design was not used
Klempfner 2015	A randomised controlled design was not used
Lewin 2007	Intervention was not exercise‐based
Michitaka 2017	Intervention was not exercise‐based
Rakhshan 2017	No relevant outcomes reported and authors did not respond to query about measured outcomes
Russell 2015	Intervention was not exercise‐based
Toise 2014	Intervention was not exercise‐based
Vanhees 2004	A randomised controlled design was not used