[1] Nordsjaellands Hosp, Dept Endocrinol & Nephrol, Hillerod, Denmark
[2] Univ Copenhagen, Inst Clin Med, Copenhagen, Denmark
[3] Steno Diabet Ctr Copenhagen, Herlev, Denmark
[4] Herlev & Gentofte Hosp, Dept Internal Med, Herlev, Denmark
[5] Novo Nordisk AS, Bagsvaerd, Denmark
[6] Kings Coll London, Inst Pharmaceut Sci, London, England