“…78 Most of the pre-post studies assessed the efficacy of psychological counselling, mental health education, or psychological nursing interventions that are not well-structured or guided. 24,25,29,51,61,88 Single-group, pre-post designs were also used to assess comprehensive, multi-component interventions; for example, an intervention for 155 medical personnel conducted during the COVID-19 pandemic that included daily mood broadcasts, online themed group chats, and social support-focused group discussions. 65 The 4 case studies assessed the efficacy of emotional support plus progressive muscle relaxation therapy, 27 interpersonal psychotherapy, 36 dialectical behaviour therapy, 82 and virtual reality exposure therapy.…”