[1] Atlanta VA Med Ctr, VA RR&D Ctr Excellence, Decatur, GA USA
[2] Emory Univ, Sch Med, Dept Rehabil Med, Atlanta, GA USA
[3] Drexel Univ, Coll Med, Dept Neurol, Philadelphia, PA 19104 USA
[4] Univ Sci Philadelphia, Hlth Psychol Program, Philadelphia, PA USA
[5] Thomas Jefferson Univ, Jefferson Med Coll, Dept Psychiat & Human Behav, Philadelphia, PA 19107 USA
[6] Drexel Univ, Philadelphia, PA 19104 USA
[7] Georgia Gwinnett Coll, Lawrenceville, GA USA