[1] Royal Surrey Cty Hosp, Guildford, Surrey, England
[2] Univ Surrey, Guildford GU2 5XH, Surrey, England
[3] Katholieke Univ Leuven, UZ Gasthuisberg, Louvain, Belgium
[4] Endocrine & Metab Consultants, Rockville, MD USA
[5] CHU Nantes, Inst Thorax, Clin Endocrinol, F-44035 Nantes 01, France
[6] Metab Inst Amer, Tarzana, CA USA
[7] Scripps Hlth, Scripps Whittier Diabet Inst, La Jolla, CA USA
[8] Novo Nordisk AS, Soborg, Denmark
[9] Mt Sinai Hosp, Lunenfeld Tanenbaum Res Inst, Toronto, ON M5G 1X5, Canada