[1] Univ Manitoba, Endocrinol Sect, Winnipeg, MB, Canada
[2] St Michaels Hosp, Div Endocrinol & Metab, Toronto, ON M5B 1W8, Canada
[3] Louisiana State Univ Syst, Pennington Biomed Rsch Cntr, Baton Rouge, LA USA
[4] AstraZeneca, Rsch & Dev, Wilmington, DE USA
[5] AstraZeneca, Rsch & Dev, Molndal, Sweden