1. Clinic of Internal Medicine, Södra Älvsborgs Hospital, Borås, Sweden
2. Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
3. Section of Endocrinology, Sahlgrenska University Hospital, Gothenburg, Sweden
4. Department of Reproductive Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden
5. Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
6. Department of Behavioral and Community Dentistry, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden