1. Department of Cardiology; Gentofte Hospital University of Copenhagen; Hellerup
2. Department of Cardiology; Roskilde Hospital University of Copenhagen; Roskilde
3. National Institute of Public Health; University of Southren Denmark; Copenhagen
4. Faculty of Health Sciences; University of Copenhagen; Copenhagen
5. Department of Dermatology; Gentofte Hospital University of Copenhagen; Hellerup
6. Institute of Health, Science and Technology; Aalborg University; Aalborg Denmark