[1] Boston Childrens Hosp, Boston, MA 02115 USA
[2] Harvard Med Sch, Boston, MA 02115 USA
[3] Brown Univ, Providence, RI 02912 USA
[4] Alpert Med Sch, Providence, RI USA
[5] Providence VA Med Ctr, Ctr Neurorestorat & Neurotechnol, Providence, RI USA
[6] Univ Cincinnati, Cincinnati, OH USA
[7] Rush Univ, Med Ctr, Chicago, IL 60612 USA
[8] Kennedy Krieger Inst, Baltimore, MD USA
[9] Johns Hopkins Univ, Baltimore, MD USA
[10] NINDS, NIH, Bldg 36,Rm 4D04, Bethesda, MD USA
[11] NIMH, NIH, Bethesda, MD 20892 USA