[1] Univ Kansas, Med Ctr, Dept Internal Med, Div Endocrinol Metab & Genet, Kansas City, KS USA
[2] Natl Cheng Kung Univ, Med Coll & Hosp, Dept Internal Med, Div Endocrinol & Metab, Tainan, Taiwan
[3] City Hope Natl Med Ctr, Dept Gastroenterol, 1500 E Duarte Rd, Duarte, CA 91010 USA
[4] Natl Taiwan Univ Hosp, Dept Internal Med, Taipei, Taiwan
[5] Natl Taiwan Univ, Sch Publ Hlth, Grad Inst Prevent Med, Taipei, Taiwan
[6] City Hope Natl Med Ctr, Dept Clin Diabet Endocrinol & Metab, 1500 E Duarte Rd, Duarte, CA 91010 USA
[7] Harbor UCLA Med Ctr, Dept Internal Med, Div Endocrinol Metab & Nutr, Torrance, CA 90509 USA