1. Department of Psychology, Department of Cardiovascular Sciences East Carolina University Greenville North Carolina USA
2. Christchurch Hospital Christchurch New Zealand
3. King's College Hospital London England
4. Cardiology Department of St. Antonius Hospital Nieuwegein Nieuwegein The Netherlands
5. Amsterdam University Medical Centers Amsterdam Amsterdam The Netherlands
6. London Health Sciences Centre London Ontario Canada
7. Bluhm Cardiovascular Institute Northwestern Memorial Hospital Northwestern University Evanston Illinois USA
8. CHU de Rennes—Hospital Pontchaillou Rennes France
9. Section of Electrophysiology, Division of Cardiology, Department of Medicine University of California San Diego San Diego California USA
10. Medtronic Inc. Mounds View Minnesota USA
11. Mayo Clinic Rochester Minnesota USA