“…It is also important, in order to guarantee the success of this type of intervention, to train and evaluate the staff, who have a decisive role in this kind of work (e.g., Coleman & Paul, 2001;Corrigan, Williams, McCracken, Kommana, Edwards, & Brunner, 1998;LePage, DelBen, Pollard, McGhee, VanHorn, Murphy, Lewis, Aboraya, & Mogge, 2003).…”