1. Department of Cardiovascular Epidemiology and Research; The Danish Heart Foundation; Copenhagen K Denmark
2. Department of Biostatistics; Copenhagen University; Copenhagen Denmark
3. The Heart Centre; Copenhagen University Hospital; Rigshospitalet Denmark
4. Department of Health Research and Policy; Department of Medicine; Stanford University School of Medicine; Stanford CA USA
5. Department of Cardiology; Copenhagen University Hospital; Herlev and Gentofte Denmark
6. Department of Internal Medicine; Gastroenterology section; Holbaek Hospital; Holbaek Denmark
7. Department of Health, Science and Technology; Department of Cardiology and Epidemiology/Biostatistics; Aalborg University; Aalborg University Hospital; Hellerup Denmark
8. The National Institute of Public Health; University of Southern Denmark; Copenhagen Denmark