Assessment timeline. Tx = treatment; SCID = Structured Clinical Interview for DSM-IV Disorders (First, Spitzer, Gibbon, & Williams, 2002); LEC = Life Events Checklist (Gray, Litz, Hsu, & Lombardo, 2004); CAPS = Clinician-Administered PTSD Scale for DSM-IV (Blake et al., 1995); BDI = Beck Depression Inventory-II (Beck, Steer, & Brown, 1996); PSQI = Pittsburgh Sleep Quality Index (Buysse, Reynolds, Monk, Berman, & Kupfer, 1989); PSQI-A = Pittsburgh Sleep Quality Index-Addendum for PTSD (Germain, Hall, Krakow, Shear, & Buysse, 2005); AQ = Aggression Questionnaire (Buss & Perry, 1992)