“…Sample sizes ranged from 11 (Skjerbaek et al, 2014) to 61 (Collett et al, 2011) with a total number of 249 participants. Five studies included participants that were predominantly mildly disabled (EDSS < 4.0) (Collett et al, 2011;Collett et al, 2017;Farup et al, 2016;Feltham et al, 2013;Keytsman et al, 2017;Wens et al, 2015;Wens et al, 2017;Zaenker et al, 2016) one study recruited a predominantly moderately disabled group (EDSS 4.0-6.0) (Bansi et al, 2017;Zimmer et al, 2017) and one study recruited participants who were more severely disabled (EDSS 6.0-8.0) (Skjerbaek et al, 2014) (Table 3). Five studies included participants with both relapsing remitting MS and progressive MS (Bansi et al, 2017;Collett et al, 2011;Collett et al, 2017;Farup et al, 2016;Feltham et al, 2013;Wens et al, 2015;Wens et al, 2017;Zimmer et al, 2017), one study only included participants with progressive MS (Skjerbaek et al, 2014), and one study did not report on MS type (Keytsman et al, 2017).…”