1. Department of Respiratory Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
2. Department of Diagnosis, Prevention and Treatment of Dementia, Juntendo University Graduate School of Medicine, Tokyo, Japan
3. Department of Neurology, Juntendo University Graduate School of Medicine, Tokyo, Japan
4. Department of Immunology, Kanazawa Medical University School of Medicine, Japan
5. Department of Neurology, Osaka University Graduate School of Medicine, Osaka, Japan