“…Treatment approach: Seven different treatment approaches were described: i) CBT, or a derivative such as cognitive social therapy ( n =8); 25,26,33,37,40,44,46,47 ii) self‐help, most commonly the Alcoholics Anonymous 12‐step program (n=7); 27–30,33,38,49 iii) psychoeducational approaches (n=6); 29,30,35,37,38,41 iv) a MATRIX model (n=2); 40,41 v) meditational approach (n=2); 39,47 vi) a computerised educational program (n=1); 45 and vii) a Native American therapeutic healing program (n=1) 36 . Several studies only described the treatment approach as being a TC with limited other detail given, even though a TC is not necessarily a treatment approach in the same way as the other treatments (n=7) 31–34,42,43,48 .…”