[1] Univ Minnesota, Dept Med, Minneapolis, MN 55455 USA
[2] Frist Clin, Nashville, TN USA
[3] Midamer Diabet Associates, Wichita, KS USA
[4] Washington Univ Sch Med, Div Endocrinol Diabet & Metab, St Louis, MO USA
[5] Univ Tennessee Hlth Sci Ctr, Div Endocrinol Diabet & Metab, Memphis, TN USA
[6] Pk Nicollet Clin, St Louis Pk, MN USA
[7] Univ Sheffield, Sch Med & Biomed Sci, Acad Unit Diabet Endocrinol & Metab, Sheffield, S Yorkshire, England
[8] Univ South Florida Coll Med, Ctr Diabet, Tampa, FL USA
[9] Boston Univ Sch Med, Boston Med Ctr, Diabet Serv, Boston, MA USA
[10] Walter Reed Natl Mil Med Ctr, Diabet Inst, Bethesda, MD USA