Inclusion criteria were as follows: 1) English language; 2) peer-reviewed (i.e., dissertation and poster abstracts not eligible); 3) published before December 2011; 4) use of MRI for quantification of volume; 5) human participants; 6) inclusion of an AUD group; 7) inclusion of a non-AUD comparison group; 8) reporting or testing of total or cerebral WM volume. No minimum sample size was required.
