Anxiety disorders are among the most prevalent of psychological disorders, affecting up to 25% of individuals in the general population at some time in their lives (Kessler et al., 1994). Despite their high prevalence, however, anxiety disorders often go undiagnosed and untreated, especially in primary care settings (e.g., Weiller, Bisserbe, Maier, & Lecrubier, 1998). In addition, there is …