“…Participant age was reported in all but three studies [24][25][26] and ranged from 9 to 74. Four studies [26][27][28][29] included adolescent populations (i.e., under 18 years of age), three studies [26,27,29] explored parent or carer perspectives, and 11 studies [24,25,[30][31][32][33][34][35][36][37][38] considered only adult-client lived experience perspectives. Four studies [27,29,31,36] used mixed-sex samples, eight studies [24,28,30,[33][34][35][36]38] used female-only samples, one study [32] considered male-only samples, and two studies [25,26] did not report sex.…”