[1] Massachusetts Gen Hosp, Boston, MA 02114 USA
[2] Harvard Univ, Sch Med, Boston, MA 02115 USA
[3] Charles R Drew Univ Med & Sci, Clin Ctr Res Excellence, Los Angeles, CA 90059 USA
[4] Univ Texas, Hlth Sci Ctr, San Antonio, TX 78285 USA
[5] Vrije Univ Amsterdam, Med Ctr, Ctr Diabet, Amsterdam, Netherlands
[6] Univ Calif San Diego, Dept Med, San Diego, CA 92103 USA
[7] Univ Vermont, Dept Med, Burlington, VT 05405 USA
[8] Univ Toronto, Mt Sinai Hosp, Dept Endocrinol, Toronto, ON, Canada
[9] Univ Toronto, Mt Sinai Hosp, Dept Metab, Toronto, ON, Canada