Study	Reason for exclusion
Bernard 2004	Not a randomised controlled study.
Gulmans 1999	Not a randomised controlled study.
Hind 2008	Not a randomised controlled study.
Kuys 2011	Focus on physiological outcomes of exercise intervention, not physical activity participation. Inpatient study, no follow up in the outpatient period.
Moorcroft 2004	Focus on physiological outcomes of exercise intervention, not physical activity participation.
Orenstein 1981	Not a randomised controlled study.
Petrovic 2013	No assessment of physical activity participation
Sosa 2012	Focus on physiological outcomes of exercise interventions, no physical activity participation.
Swisher 2010	Not a randomised controlled study.
Tunzin 1998	Not a randomised controlled study.
van Doorn 2010	Not a randomised controlled study.