“…The personal and social costs of aggressive behavior are tremendous and include physical and emotional injuries, relationship and legal problems, lower social functioning and higher utilization of health care services (Campbell, 2002;Marshall, Panuzio, & Taft, 2005). In addition, aggressive behavior has been linked to poorer SUD treatment outcomes (e.g., higher drop-out, earlier relapse; Gossop, Trakada, Stewart, & Witton, 2005;Mignone, Klostermann, & Chen, 2009;Murphy & Ting, 2010;Ravndal & Vaglum, 1991), which suggests the need for integrated interventions (Chermack et al, 2009;Fals-Stewart & Kennedy, 2005;Klostermann, Kelley, Mignone, Pusateri, & Fals-Stewart, 2010).…”