[1] Kumamoto Univ, Fac Life Sci, Dept Metab Med, Kumamoto, Japan
[2] Saga Univ, Dept Cardiovasc Med, 5-1-1 Nabeshima, Saga 8498501, Japan
[3] Kyoto Univ, Grad Sch Med, Dept Diabet Endocrinol & Nutr, Kyoto, Japan
[4] Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Cardiovasc Med, Okayama, Japan
[5] Natl Ctr Global Hlth & Med, Diabet Res Ctr, Res Inst, Tokyo, Japan
[6] Nagoya Univ, Grad Sch Med, Dept Cardiol, Nagoya, Aichi, Japan
[7] Natl Ctr Global Hlth & Med, Diabet & Metab Informat Ctr, Res Inst, Tokyo, Japan
[8] Tokushima Univ, Dept Cardiovasc Med, Grad Sch, Tokushima, Japan
[9] Fujita Hlth Univ, Dept Cardiol, Bantane Hosp, Nagoya, Aichi, Japan
[10] Toranomon Gen Hosp, Tokyo, Japan
[11] Univ Tokyo, Grad Sch Med, Dept Cardiovasc Med, Tokyo, Japan