[1] SUNY Stony Brook, Dept Neurol, Stony Brook, NY 11794 USA
[2] Univ Alabama, Ctr Pediat Onset Demyelinating Dis, Birmingham, AL USA
[3] UCSF MS Ctr, Dept Neurol, San Francisco, CA USA
[4] Mayo Clin, Dept Pediat Neurol, Rochester, MN USA
[5] Harvard Univ, Sch Med, Boston, MA USA
[6] Mayo Clin, Dept Immunol, Rochester, MN USA
[7] Mayo Clin, Dept Neurol, Rochester, MN USA
[8] SUNY Buffalo, Dept Neurol, Jacobs Neurol Inst, Buffalo, NY 14260 USA