1. Division of Neurology, Department of Medicine, Nihon University Itabashi Hospital
2. Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University Itabashi Hospital
3. Department of Neuropsychiatry, Nihon University Itabashi Hospital
4. Division of Hematology and Rheumatology, Department of Medicine, Nihon University Itabashi Hospital
5. Department of Neuropsychiatry, Nihon University Surugadai Hospital
6. Department of Internal Medicine, Nihon University Surugadai Hospital
7. Department of Internal Medicine, Itabashi Medical Association Hospital
8. Department of Hygiene and Public Health, Nihon University of Physical Education