1. Department of Endocrinology, Tokyo Metropolitan Geriatric Hospital
2. Department of Nephrology, Tokyo Metropolitan Komagome Hospital
3. Department of Pathology, Tokyo Metropolitan Komagome Hospital
4. Department of Human Pathology, Graduate School of Medicine, University of Tokyo
5. Department of Nephrology, Tokyo Metropolitan Geriatric Hospital
6. Department of Pathology, Tokyo Metropolitan Geriatric Hospital