[1] Hvidovre Univ Hosp, Dept Endocrinol, DK-2650 Hvidovre, Denmark
[2] Cent Hosp Hillerod, Dept Cardiol Nephrol & Endocrinol, Hillerod, Denmark
[3] Odense Univ Hosp, Dept Endocrinol, DK-5000 Odense, Denmark
[4] Bispebjerg Hosp, Dept Endocrinol, DK-2400 Copenhagen, Denmark
[5] Aarhus Univ Hosp, Dept Endocrinol, DK-8000 Aarhus, Denmark
[6] Copenhagen Univ Hosp, Dept Endocrinol, Copenhagen, Denmark
[7] Steno Diabet Ctr, Dept Endocrinol, DK-2820 Gentofte, Denmark