[1] Nihon Univ, Sch Med, Div Nephrol & Endocrinol, Dept Med, Tokyo 102, Japan
[2] Nihon Univ, Adv Res Inst Sci & Human, Tokyo, Japan
[3] Nihon Univ, Sch Med, Div Cell Reg & Transplantat, Dept Adv Med, Tokyo, Japan
[4] Dokkyo Med Univ, Dept Cardiovasc Med, Tokyo, Japan