1. Department of Cardiology, Rigshospitalet, Copenhagen University Hospital , Blegdamsvej 9, 2100 Copenhagen , Denmark
2. Department of Gynecology and Obstetrics, Rigshospitalet, Copenhagen University Hospital , Copenhagen , Denmark
3. Department of Clinical Medicine, University of Copenhagen , Copenhagen , Denmark
4. Department of Cardiology, Zealand University Hospital , Roskilde , Denmark
5. Department of Cardiology, Gentofte Hospital , Hellerup , Denmark