“…Six interventions corresponded to level 1 in the stepped care model [26,28,[33][34][35]37] [27•, 32, 38], art [35,37], play [31,37], group therapy techniques [28], philosophy discussions [34], volunteering in the community [33], engaging in disaster recovery [33], and EMDR group sessions [36 •]. Most interventions had fixed contents, meaning they were designed to deliver standardised content in a standardised format [26, 27•, 28, 29•, 30, 34, 35, 37, 38], although researchers in one study reported that the frequency of sessions could not be kept the same across sites [26].…”