1. Department of Psychology, University of Southern Denmark, Odense, Denmark
2. Department of Cardiology, Odense University Hospital, Odense, Denmark
3. Department of Internal Medicine, Section of Cardiovascular Medicine, Yale School of Medicine, New Haven, CT, USA
4. Department of Anesthesiology, Yale School of Medicine, New Haven, CT, USA
5. Department of Cardiology, Erasmus Medical Center, Rotterdam, The Netherlands