1. Department of Medicine (Neurology & Rheumatology), Shinshu University School of Medicine, Matsumoto, Japan
2. Institute for Biomedical Sciences, Shinshu University, Matsumoto, Japan
3. Department of Clinical Laboratory Sciences, Shinshu University School of Health Sciences, Matsumoto, Japan
4. Department of Clinical Research, National Hospital Organization Matsumoto Medical Center, Matsumoto, Japan