1. Division of Nephrology, Endocrinology, and Vascular Medicine, Department of Medicine, Tohoku University Graduate School of Medicine
2. Department of Pathology, Tohoku University School of Health Sciences
3. Department of Urology, Tohoku University Graduate School of Medicine
4. Department of Analytical Medical Technology, Tohoku University School of Health Sciences
5. Department of Pathology, Tohoku University Graduate School of Medicine