[1] Churchill Hosp, Oxford Ctr Diabet Endocrinol & Metab, Oxford OX3 7LJ, England
[2] Yale Univ, Sch Med, Endocrinol Sect, New Haven, CT USA
[3] Yale New Haven Med Ctr, New Haven, CT 06504 USA
[4] Pk Nicollet, Int Diabet Ctr, Minneapolis, MN USA
[5] Univ N Carolina, Sch Med, Div Endocrinol, Chapel Hill, NC USA
[6] Vrije Univ Amsterdam, Med Ctr, Diabet Ctr, Dept Internal Med, Amsterdam, Netherlands
[7] Univ Pisa, Sch Med, Dept Med, I-56100 Pisa, Italy
[8] Diabet Zentrum Bad Lauterberg, Bad Lauterberg Im Harz, Germany
[9] Univ So Calif, Keck Sch Med, Div Endocrinol, Los Angeles, CA 90033 USA
[10] Aristotle Univ Thessaloniki, Dept Med 2, GR-54006 Thessaloniki, Greece
[11] Thomas Jefferson Univ, Jefferson Med Coll, Dept Family & Community Med, Philadelphia, PA 19107 USA
[12] Oxford Biomed Res Ctr, NIHR, Oxford, England
[13] Univ Oxford, Harris Manchester Coll, Oxford, England