[1] Kyoto Univ, Grad Sch Med, Neurol, Kyoto, Japan
[2] Kinki Univ, Sch Med, Neurol, Osaka, Japan
[3] Kitano Hosp, Neurol, Osaka, Japan
[4] Kyoto Univ, Grad Sch Med, Kyoto, Japan
[5] Kyoto Univ Hosp, Community Network & Collaborat Med, Kyoto, Japan
[6] NINDS, Neuroimmunol Dis Unit, NIH, Bldg 36,Rm 4D04, Bethesda, MD 20892 USA
[7] Tenri Hosp, Neurol, Tenri, Nara, Japan