1. Research Team for Geriatric Pathology Tokyo Metropolitan Institute of Gerontology Tokyo Japan
2. Clinical Research Unit National Hospital Organization Kurihama Alcoholism Center Yokosuka Kanagawa Japan
3. Department of Laboratory Medicine National Hospital Organization Kurihama Alcoholism Center Yokosuka Kanagawa Japan
4. Human Care Research Team Tokyo Metropolitan Institute of Gerontology Tokyo Japan
5. Department of Clinical Medicine Japanese Red Cross Medical Center Tokyo Japan
6. Department of Pathology Tokyo Metropolitan Geriatric Hospital Tokyo Japan