1. Department of Obstetrics and Gynaecology Aarhus University Hospital Aarhus N Denmark
2. Department of Clinical Medicine Aarhus University Aarhus Denmark
3. Department of Health Science and Technology Aalborg University Aalborg Denmark
4. Department of Obstetrics Copenhagen University Hospital Copenhagen Denmark
5. Department of Clinical Medicine University of Copenhagen Copenhagen Denmark
6. Department of Cardiology Aarhus University Hospital Aarhus N Denmark