[1] Baylor Coll Med, Menninger Dept Psychiat & Behav Sci, Beth K & Stuart C Yudofsky Div Neuropsychiat, Houston, TX 77030 USA
[2] TIRR Mem Hermann, Brain Injury Res Ctr, Houston, TX USA
[3] Univ Colorado, Sch Med, Dept Psychiat, Neuropsychiat Serv, Aurora, CO USA
[4] VISN 19 MIRECC, Denver Vet Med Ctr, Denver, CO USA