[1] Asahikawa Med Univ, Div Metab & Biosystem Sci, Dept Med, Asahikawa, Hokkaido 0788510, Japan
[2] Jikei Univ Sch Med, Div Diabet Endocrinol & Metab, Dept Internal Med, Minato Ku, Tokyo 1058461, Japan
[3] Kanazawa Med Univ, Dept Diabetol & Endocrinol, Kanazawa, Ishikawa 9200293, Japan
[4] Tokyo Womens Med Univ, Dept Med, Ctr Diabet, Shinjuku Ku, Tokyo 1628666, Japan
[5] Kitasato Univ, Hlth Care Ctr, Minami Ku, Sagamihara, Kanagawa 2520374, Japan
[6] Okayama Univ Hosp, Kita Ku, Okayama, Okayama 7008558, Japan
[7] St Marianna Univ Sch Med, Div Nephrol & Hypertens, Dept Internal Med, Miyamae Ku, Kawasaki, Kanagawa 2168511, Japan
[8] Niigata Univ, Hlth Adm Ctr, Nishi Ku, Niigata, Niigata 9502181, Japan
[9] Kanazawa Univ, Div Nephrol, Dept Lab Med, Kanazawa, Ishikawa 9208641, Japan
[10] Tohoku Univ, Ctr Adv Higher Educ, Sendai, Miyagi 980, Japan
[11] Tohoku Univ Hosp, Div Nephrol Endocrinol & Vasc Med, Aoba Ku, Sendai, Miyagi 9808574, Japan
[12] Osaka City Univ Grad Sch Med, Dept Metab, Endocrinol, Mol Med,Fac Med,Abeno Ku, Osaka, Osaka 5458585, Japan
[13] Tokyo Med Univ, Dept Nephrol, Shinjuku Ku, Tokyo 1600023, Japan
[14] Wakayama Med Univ, Div Nephrol, Dept Internal Med, Wakayama 6418509, Japan
[15] Yabuki Hosp, Dept Nephrol, Yamagata, Yamagata 9900885, Japan
[16] Tokyo Womens Med Univ, Dept Internal Med 4, Shinjuku Ku, Tokyo 1628666, Japan
[17] Kagawa Nutr Univ, Div Med Nutr, Dept Appl Nutr, Sakado, Saitama 3500288, Japan
[18] Kawasaki Med Sch Hosp, Dept Nutr, Kurashiki, Hiroshima 7010192, Japan
[19] Kyoto Univ Hosp, Dept Metab & Clin Nutr, Sakyo Ku, Kyoto, Kyoto 6068507, Japan