“…Of these 18 studies, six were case studies (or case series) Graham, Gillanders, Stuart, & Gouick, 2014;Masuda, Cohen, Wicksell, Kemani, & Johnson, 2011;Moitra et al, 2011;Nes et al, 2012;Skinta, Lezama, Wells, & Dilley, 2014); four used pre-post designs with no control group (Burke et al, 2014;Feros, Lane, Ciarrochi, & Blackledge, 2013;Goodwin, Forman, Herbert, Butryn, & Ledley, 2011;Sheppard, Forsyth, Hickling, & Bianchi, 2010); and eight were randomised controlled trials (RCT) (Brown, Whittingham, Boyd, McKinlay, & Sofronoff, 2014;Gregg, Callaghan, Hayes, & Glenn-Lawson, 2007;Hawkes, Pakenham, Chambers, Patrao, & Courneya, 2014;Hawkes et al, 2013;Lundgren, Dahl, Melin, & Kies, 2006;Lundgren, Dahl, Yardi, & Melin, 2008;Nordin & Rorsman, 2012;Rost, Wilson, Buchanan, Hildebrandt, & Mutch, 2012;Whittingham, Sanders, McKinlay, & Boyd, 2014). The studies using RCT and pre-post designs involved samples of people with cancer (Feros et al, 2013;Hawkes et al, 2013Hawkes et al, , 2014Rost et al, 2012); epilepsy Lundgren et al, 2008); multiple sclerosis (Nordin & Rorsman, 2012;Sheppard et al, 2010); cardiac disease (Goodwin et al, 2011); type II diabetes (Gregg et al, 2007); paediatric cerebral palsy ); brain injury (Brown et al, 2014): and "life threatening illness" (Burke et al, 2014).…”