1 Kidney Disease Center, Department of Nephrology and Blood Purification, Tokyo Medical University Hachioji Medical Center, Hachioji, Tokyo, Japan. Electronic address: myamada@tokyo-med.ac.jp.
2 Kidney Disease Center, Department of Kidney Transplantation Surgery, Tokyo Medical University Hachioji Medical Center, Hachioji, Tokyo, Japan.
3 Kidney Disease Center, Department of Nephrology and Blood Purification, Tokyo Medical University Hachioji Medical Center, Hachioji, Tokyo, Japan.