1. Tohoku University Graduate School of Medicine Department of Endocrinology and Applied Medical Science, , 2-1, Seiryo, Aoba, 980-8575 Sendai, Japan
2. Fukushima Medical University School of Medicine Department of Blood Transfusion and Transplantation Immunology, , 1, Hikarigaoka, Fukushima, 960-1295 Fukushima, Japan
3. Tohoku Medical and Pharmaceutical University Division of Integrative Renal Replacement Therapy, Faculty of Medicine, , 1-15-1, Fukumuro, Miyagino, 983-8536 Sendai, Japan
4. Tohoku Medical and Pharmaceutical University Division of Nephrology and Endocrinology, Faculty of Medicine, , 1-15-1, Fukumuro, Miyagino, 983-8536 Sendai, Japan