1. Centre for Clinical Research, North Denmark Regional Hospital, 9800 Hjoerring, Denmark
2. Department of Clinical Medicine, Aalborg University, 9000 Aalborg, Denmark
3. Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, 5230 Odense M, Denmark
4. Department of Clinical Microbiology, Aalborg University, 9000 Aalborg, Denmark
5. Department of Obstetrics and Gynecology, Aalborg University Hospital, 9000 Aalborg, Denmark
6. Department of Clinical Medicine, Aarhus University, Aarhus University Hospital, 8200 Aarhus N, Denmark
7. Steno Diabetes Center North Denmark, 9000 Aalborg, Denmark
8. Department of Obstetrics and Gynecology, North Denmark Regional Hospital, 9800 Hjoerring, Denmark