[1] Nagoya City Univ Hosp, Dept Internal Med, Div Rheumatol, Mizuho Ku, Nagoya, Aichi 4678601, Japan
[2] Nagoya City Univ, Grad Sch Med Sci, Dept Resp Med Allergy & Clin Immunol, Mizuho Ku, Nagoya, Aichi 4678601, Japan
[3] Nagoya City Univ, Grad Sch Med Sci, Dept Neurol, Nagoya, Aichi, Japan