[1] Baylor Coll Med, Harris Cty Hosp Dist, Brain Injury Res Ctr, Dept Phys Med & Rehabil,TIRR Mem Hermann, Houston, TX 77019 USA
[2] Old Dominion Univ, Norfolk, VA USA
[3] Brooks Rehabil Ctr, Dept Behav Med, Jacksonville, FL USA
[4] Amer Speech Language Hearing Assoc, Rockville, MD USA