[1] Washington Univ, Program Phys Therapy, St Louis, MO 63108 USA
[2] Washington Univ, Dept Neurol, St Louis, MO 63108 USA
[3] Rehabil Inst St Louis, St Louis, MO USA
[4] Barnes Jewish Hosp Rehabil Serv, St Louis, MO USA
[5] Washington Univ, Program Occupat Therapy, St Louis, MO 63108 USA
[6] Washington Univ, Dept Radiol, St Louis, MO 63108 USA