“…Eleven studies described single-faceted interventions focusing on yoga, mindfulness, meditation, or music therapy [31][32][33]37,38,40,42], resilience and coping [34,35,41], or transcranial magnetic stimulation [36]. In contrast, Berger et al [43] and Flarity et al [39] described more complex interventions involving on multiple, interactive sessions focused on promoting professional self-efficacy, improving theoretical knowledge, and assigning homework tasks, and individual and group exercises, guided imagery, take home materials including print-outs, DVDs and music CDs, and access to educational resources and publications, respectively. The included studies differed in their methodology; ten studies (76.9%) [31][32][33][34][35][36][37]39,41,42] used a pre/post design, two studies (15.4%) used randomised controlled designs (RCTs), one with a waitlist control group [38], the other with a no treatment, concurrent control group [40].…”