1. Department of Health Care Medicine, Kawasaki Medical School General Medical Center, Japan
2. Department of Orthoptics, Faculty of Rehabilitation, Kawasaki University of Medical Welfare, Japan
3. Department of Clinical Pathology and Laboratory Medicine, Kawasaki Medical School General Medical Center, Japan
4. Department of General Internal Medicine 2, Kawasaki Medical School General Medical Center, Japan
5. Department of Health Care Medicine, Kawasaki Medical School, Japan