1. Department of Cardiology, Herlev & Gentofte Hospital, University of Copenhagen, Niels Andersens vej 65, Copenhagen, Denmark
2. Division of Cardiology, University of California San Francisco Medical Center, 505 Parnassus Ave, San Francisco, CA, USA
3. The Copenhagen City Heart Study, Frederiksberg Hospital, University of Copenhagen, Nordre Fasanvej 57, Copenhagen, Denmark
4. Institute of Clinical Medicine, Faculty of Health Sciences, University of Copenhagen, Blegdamsvej 3b, Copenhagen, Denmark
5. Department of Medicine, Cardiovascular Medicine Division, Brigham and Women’s Hospital, Harvard Medical School, 75 Francis St, Boston, MA, USA