1. Department of Cardiology and Endocrinology, Frederiksberg University Hospital, DK-2000 Frderiksberg, Denmark
2. Department of Cardiology, The Heart Centre, Rigshospitalet, Blegdamsvej 2, DK-2100 Copenhagen, Denmark
3. Department of Cardiology, Odense University Hospital, DK-5000 Odense C, Denmark
4. Department of Cardiology, Herlev University Hospital, DK-2730 Herlev, Denmark
5. Department of Cardiology and Endocrinology, Hillerod University Hospital, DK-3400 Hillerod, Denmark
6. Department of Cardiology, Vejle University Hospital, DK-7100 Vejle, Denmark
7. Department of Cardiology, Aalborg University Hospital, DK-9000 Aalborg, Denmark
8. Department of Internal Medicine, Fredericia County Hospital, DK-7000 Fredericia, Denmark
9. Department of Internal Medicine, Funen University Hospital, DK-5700 Svendborg, Denmark
10. Department of Internal Medicine, Skive County Hospital, DK-7800 Skive, Denmark