“…were a text messaging system [34,35], an integrated online counseling intervention [37], a computerized intervention for anger management (Cougle et al, 2017), integrated text messaging systems that included online counseling [49][50][51], a text messaging intervention that included medication monitoring and support [82], and a GPS based app designed to predict the location of heroin craving [52]. Three studies focused on alcohol only, while four addressed mixed or poly substance use.…”