1. Department of Clinical Genetics (S.T.), Sahlgrenska University Hospital Gothenburg, Sweden.
2. Department of Internal Medicine and Clinical Nutrition, Institution of Medicine (S.T., E.K., K.L-W.), Sahlgrenska Academy, University of Gothenburg, Sweden.
3. Department of Internal Medicine, Södra Älvsborg Hospital, Borås, Sweden (E.K.).
4. Department of Internal Medicine (E.T.), Sahlgrenska University Hospital Gothenburg, Sweden.
5. Department of Molecular and Clinical Medicine, Institution of Medicine (E.T.), Sahlgrenska Academy, University of Gothenburg, Sweden.
6. Department of Obstetrics and Gynecology (I.B.,C.H.), Sahlgrenska University Hospital Gothenburg, Sweden.
7. Department of Obstetrics and Gynecology, Institute of Clinical Sciences (I.B., C.H.), Sahlgrenska Academy, University of Gothenburg, Sweden.
8. Section for Endocrinology (K.L-W.), Sahlgrenska University Hospital Gothenburg, Sweden.