1. Department of Internal Medicine; Academic Medical Centre; University of Amsterdam; the Netherlands
2. SEIN - Stichting Epilepsie Instellingen Nederland; Heemstede the Netherlands
3. Department of Neurology; Leiden University Medical Centre; Leiden the Netherlands
4. Department of Medicine; Division of General Internal Medicine; Hennepin County Medical Center; University of Minnesota; Minneapolis MN USA
5. Department of Cardiology; Academic Medical Centre; University of Amsterdam; the Netherlands
6. Penn State Hershey Heart and Vascular Institute; Pennsylvania State University College of Medicine; Hershey PA USA
7. National Heart and Lung Institute; Imperial College; London UK
8. Department of Family Medicine; Academic Medical Centre; University of Amsterdam; the Netherlands