[1] Osaka City Univ, Grad Sch Med, Dept Metab Endocrinol & Mol Med, Osaka 5458585, Japan
[2] Osaka City Univ, Grad Sch Med, Dept Nephrol, Osaka 5458585, Japan
[3] Osaka City Univ, Med Sch, Dept Geriatr & Neurol, Osaka, Japan
[4] Inoue Hosp, Div Internal Med, Suita, Osaka, Japan