[1] Univ Tokyo Hosp, Dept Planning Informat & Management, Tokyo, Japan
[2] Yokohama City Univ, Grad Sch Med, Dept Med Sci & Cardiorenal Med, Yokohama, Kanagawa, Japan
[3] Univ Tokyo, Grad Sch Med, Dept Diabet & Metab Dis, Tokyo, Japan
[4] Jichi Med Univ, Ctr Informat, Dept Med Informat, Shimotsuke, Tochigi, Japan
[5] Yokohama Rosai Hosp, Endocrinol & Diabet Ctr, Yokohama, Kanagawa, Japan
[6] Yokohama City Univ, Med Ctr, Dept Nephrol & Hypertens, Yokohama, Kanagawa, Japan
[7] Yokohama City Univ, Med Ctr, Dept Endocrinol & Diabet, Yokohama, Kanagawa, Japan
[8] Mitsui Mem Hosp, Div Diabet, Tokyo, Japan
[9] Chigasaki Municipal Hosp, Dept Endocrinol & Metab, Chigasaki, Kanagawa, Japan
[10] Saiseikai Yokohamashi Nanbu Hosp, Dept Diabet & Endocrinol, Yokohama, Kanagawa, Japan
[11] Saiseikai Yokohamashi Nanbu Hosp, Dept Nephrol & Hypertens, Yokohama, Kanagawa, Japan
[12] Fujisawa City Hosp, Dept Diabet & Endocrinol, Fujisawa, Kanagawa, Japan
[13] Yokohama City Univ, Grad Sch Med, Dept Endocrinol & Metab, Yokohama, Kanagawa, Japan
[14] Univ Tokyo, Grad Sch Med, Dept Prevent Diabet & Lifestyle Related Dis, Tokyo, Japan
[15] Toranomon Gen Hosp, Tokyo, Japan
[16] Univ Tokyo, Grad Sch Med, Div Nephrol & Endocrinol, Tokyo, Japan
[17] Kawasaki Med Sch, Dept Nephrol & Hypertens, Kurashiki, Okayama, Japan