1. Emergency Medicine, Henry Ford Hospital, Detroit, MI, USA;
2. Department of Cardiology & Cardiovascular Research Institute Basel, University Hospital Base, Basel, Switzerland;
3. Department of Internal Medicine, Cardiology, Angiology & Pulmonary, University Hospital Heidelberg, Heidelberg, Germany;
4. Department of Emergency and Critical Care Medicine, Paracelsus Medical University, Germany, Nuernberg;
5. Biochemistry, Hospital de Sant Pau, Barcelona, UK;
6. Cardiology, University of Maryland, Baltimore, MD, USA;
7. Cardiology, Henry Ford Hospital, Detroit, MI, USA;
8. Emergency Medicine, Central Manchester University NHS Foundation Trust, Manchester, UK;
9. Laboratorio Analisi Chimico Cliniche, Azienda Ospedaliera Luigi Sacco, Milan, Italy;
10. Cardiology, Karolinska University Hospital, Stockholm, Sweden;
11. Servizio Medicina di Laboratorio Azienda Ospedaliera, Universita di Padova Via Giustinianeo, Padova, Italy;
12. Department of Acute Medicine, Cliniques Universitaires St-Luc Universite Catholiques de Louvain, Brussels, Belgium;
13. Cardiology, Liverpool Hospital, Liverpool, NSW, Australia;
14. Department of Pathology, University of Maryland, Baltimore, MD, USA;
15. Department of Public Health Sciences, Henry Ford Hospital, Detroit, MI, USA;
16. Department of Statistics, Roche Diagnostics, Penzberg, Germany;
17. Uppsala Clinical Research Center, Uppsala University, Uppsala, Sweden