[1] Dokuz Eylul Univ Hosp, Dept Endocrinol, Izmir, Turkey
[2] Univ Michigan, Dept Internal Med, Med Sch & Hlth Syst, Ann Arbor, MI 48109 USA
[3] Univ Michigan, Ann Arbor, MI 48109 USA
[4] Anal Grp, Boston, MA USA
[5] Anal Grp, Montreal, PQ, Canada
[6] Novel Therapeut Co, Time Study, Aeger Pharmaceut, Cambridge, MA USA
[7] NIH, Bldg 10, Bethesda, MD 20892 USA