1. Health Economics Research Centre, Nuffield Department of Population Health, University of Oxford , Oxford , UK
2. National Perinatal Epidemiology Unit, Nuffield Department of Population Health, University of Oxford , Oxford , UK
3. Centre for Research on Health and Social Care Management (CERGAS), Bocconi University , Milan , Italy
4. ANMCO Research Center-Heart Care Foundation , Firenze , Italy
5. European Heart Agency, European Society of Cardiology , Brussels , Belgium
6. Department of Cardiology, Dupuytren University Hospital, EpiMaCT, Inserm1094/IRD270, Limoges University , Limoges , France
7. William Harvey Research Institute, Queen Mary University London , London UK
8. Hygeia Hospitals Group, HHG, Biomedical Research Foundation Academy of Athens (BRFAA) , Athens , Greece