1. Department of Cardiology, Isala Hospital, The Netherlands
2. Department of Cardiology, University Hospital Coventry, UK
3. Department of Clinical Chemistry, Isala Hospital, The Netherlands
4. Regional Ambulance Service IJsselland, Zwolle, The Netherlands
5. Department of Cardiology, Deventer Ziekenhuis, The Netherlands
6. The Decision Group, Amsterdam, The Netherlands
7. Erasmus School of Accounting & Assurance, Erasmus University, The Netherlands
8. Department of Cardiology, Meander Medical Centre, The Netherlands
9. Department of Cardiology, St Antonius Hospital, The Netherlands