“…Therapist guidance was provided in eight of these studies (Buhrman et al, 2013;Hesser et al, 2012;Kristjánsdóttir et al, 2013;Lappalainen et al, 2014;Lappalainen, Langrial, Oinas-Kukkonen, Tolvanen, & Lappalainen, 2015;Pots et al, 2015;Trompetter, Bohlmeijer, Veehof, & Schreurs, 2015;Weineland, Arvidsson, Kakoulidis, & Dahl, 2012), the duration FIGURE 1 Flow diagram of study selection. Note.…”