1. Department of Dermatology; Roskilde Hospital; Køgevej 7-13 4000 Roskilde Denmark
2. Faculty of Health and Medical Sciences; University of Copenhagen; Øster Farimagsgade 5 Copenhagen Denmark
3. Department of Cardiology; The Heart Centre; Rigshospitalet; Blegdamsvej 9 2100 Copenhagen Denmark
4. Department of Biostatistics; University of Copenhagen; Øster Farimagsgade 5 Copenhagen Denmark
5. Department of Clinical Medicine; Faculty of Health and Medical Sciences; University of Copenhagen; Øster Farimagsgade 5 Copenhagen Denmark
6. Department of Research; Nykøbing Falster Hospital; Nykøbing Falster Denmark