1. Department of Cardiology, Copenhagen University Hospital, Afsnit 2142, Opgang 2, 14. Sal, Inge Lehmanns vej 7, København Ø, Denmark
2. Department of Cardiology and Epidemiology/Biostatistics, Aalborg University Hospital, Hobrovej 18-22, Aalborg, Denmark
3. Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7 D2, Aalborg Øst, Denmark
4. Department of Cardiology, Copenhagen University Hospital, Herlev and Gentofte, Gentofte Hospitalsvej 6, 3. Sal, Hellerup, Denmark
5. The Danish Heart Foundation, Vognmagergade 7, 3.sal, 1120 København K, Denmark
6. The National Institute of Public Health, University of Southern Denmark, Studiestræde 6, København K, Denmark