[1] Oxford Ctr Diabet Endocrinol & Metab, Oxford, England
[2] Grp Hosp Bichat Claude Bernard, Serv Endocrinol Diabetol, Paris, France
[3] Novo Nordisk AS, DK-2880 Bagsvaerd, Denmark
[4] Vall Hebron Univ Hosp, Barcelona, Spain
[5] Baylor Coll Med, Methodist Hosp, Houston, TX 77030 USA
[6] Mt Sinai Hosp, Sinai Ctr Diabet, Toronto, ON M5G 1X5, Canada