“…Ninety percent of the studies reported obtaining ethical approval and informed consent (Badenhorst et al, 2018;Chang et al, 2012;Choi et al, 2013;Dajpratham & Kongkasuwan, 2011;Estrella-Castillo & Gómez-de-Regil, 2016;Jeong et al, 2012;Lucas-Carrasco et al, 2011;Phillips et al, 2009; Rassi-Fernandes, 2015) while 10% did not report on this aspect (Stefane et al, 2013). Finally, 90% of the studies used instruments to assess disability (Badenhorst et al, 2018;Chang et al, 2012;Choi et al, 2013;Rassi-Fernandes, 2015;Dajpratham & Kongkasuwan, 2011;Jeong et al, 2012;Lucas-Carrasco et al, 2011;Phillips et al, 2009;Stefane et al, 2013), while 10% used other appropriate diagnostic criteria (Estrella-Castillo & Gómez-de-Regil, 2016).…”