1. Department of Medical Endocrinology (M.K., M.L., A.K.R., U.F.-R.), Copenhagen University Hospital, DK-2100 Copenhagen, Denmark
2. Department of Growth and Reproduction (N.E.S.), Copenhagen University Hospital, DK-2100 Copenhagen, Denmark
3. Department of Clinical Biochemistry (L.H.), Copenhagen University Hospital, DK-2100 Copenhagen, Denmark
4. Hormone Laboratory (E.H.), Aker University Hospital, N-0514 Oslo, Norway
5. Department of Endocrinology (M.A.), Odense University Hospital, 5000 Odense, Denmark