[1] Washington Univ, Sch Med, St Louis, MO USA
[2] Millennium Pharmaceut Inc, Cambridge, MA USA
[3] NINDS, NIH, Bethesda, MD 20892 USA
[4] Duke Univ, Med Ctr, Durham, NC USA
[5] Massachusetts Gen Hosp, Boston, MA 02114 USA
[6] Univ Kentucky, Lexington, KY USA
[7] Takeda Pharmaceut Int Inc, Deerfield, IL USA