1. Department of Medicine; Stanford University School of Medicine; Stanford CA USA
2. Center for Cardiovascular Innovation; Northwestern University Feinberg School of Medicine; Chicago IL 60611 USA
3. Division of Cardiology, Department of Medicine; Northwestern University Feinberg School of Medicine; Chicago IL USA
4. Department of Preventive Medicine; Northwestern University Feinberg School of Medicine; Chicago IL USA
5. Associazione Nazionale Medici Cardiologi Ospedalieri Research Center; Florence Italy
6. Department of Emergency and Cardiovascular Medicine, Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
7. Division of Cardiology; Tufts Medical Center and Tufts University School of Medicine; Boston MA USA
8. Department of Cardiology; Nancy University; Nancy France